Straplocks? Don’t use them? Well, let us tell you (from bitter experience) that they’re officially brill, and can save you a load of tears after your pride and joy has dropped off your strap and bounced off the floor, with a big dent in the now-seriously cracked shiny lacquer... not good. Grover Strap Locks feature the -quick release’ mechanism players want and need. This strong yet lightweight accessory provides security along with the ability to easily remove the strap for use on another instrument or storage.

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Straplocks? Don’t use them? Well, let us tell you (from bitter experience) that they’re officially brill, and can save you a load of tears after your pride and joy has dropped off your strap and bounced off the floor, with a big dent in the now-seriously cracked shiny lacquer... not good. Grover Strap Locks feature the -quick release’ mechanism players want and need. This strong yet lightweight accessory provides security along with the ability to easily remove the strap for use on another instrument or storage.

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Straplocks? Don’t use them? Well, let us tell you (from bitter experience) that they’re officially brill, and can save you a load of tears after your pride and joy has dropped off your strap and bounced off the floor, with a big dent in the now-seriously cracked shiny lacquer... not good. Grover Strap Locks feature the -quick release’ mechanism players want and need. This strong yet lightweight accessory provides security along with the ability to easily remove the strap for use on another instrument or storage.

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3 treble and 3 bass, set of 6. The 109-18 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. The 18:1 ratio provides for finer tuning and greater stability. The finer gears provide smoother tuning and a higher degree of backlash elimination. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. Sealed-in, lubricated gears14:1 gear ratio25/64” post holePost length to hole: 23mmOverall post length: 28.2mmWeight per pc/per set: 1.6oz/9.6ozMax. string gauge: .074”Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. Sealed-in, lubricated gears14:1 gear ratio25/64” post holePost length to hole: 23mmOverall post length: 28.2mmWeight per pc/per set: 1.6oz/9.6ozMax. string gauge: .074”Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109-18 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series   For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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3 treble and 3 bass, set of 6. The Super Rotomatic® has an 18:1 gear ratio. The 3 step button gives this machine a distinctive look and the sealed-in lubrication assures smooth gear-and-worm movement for the life of the machine. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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3 treble and 3 bass, set of 6. The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. Sealed-in, lubricated gears14:1 gear ratio25/64” post holePost length to hole: 23mmOverall post length: 28.2mmWeight per pc/per set: 1.6oz/9.6ozMax. string gauge: .074”Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109-18 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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3 treble and 3 bass, set of 6. The 109 Series 3-step button gives these machine heads a distinctive look and sets them apart from other Rotomatics®. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. eliminating backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Enclosed gear box with special lubricant for a lifetime of trouble-free service. Sealed-in, lubricated gears14:1 gear ratio25/64” post holePost length to hole: 23mmOverall post length: 28.2mmWeight per pc/per set: 1.6oz/9.6ozMax. string gauge: .074”Hardware included (bushings, washers, screws)Drop-in replacement for:• 102-18 Series• 102V Series• 103 Series• 106 Series• 109-18 Series• 135 Series (Top mounting hole will be visible)• 136 Series (Top mounting hole will be visible)• 502 Series• 509 Series   For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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2 Treble, 2 bass SELF ALIGNING THRUST BEARINGS! Self-aligning thrust bearings! Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string posts with cutaway shoulders to provide slip-over. Two screws in the housing apron provide greater holding power. It may be used with ALL modern bass guitar headpieces. Individually hand-tested. Screws and bushings included. 20:1 gear ratio.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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2 Treble, 2 bass SELF ALIGNING THRUST BEARINGS! Self-aligning thrust bearings! Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string posts with cutaway shoulders to provide slip-over. Two screws in the housing apron provide greater holding power. It may be used with ALL modern bass guitar headpieces. Individually hand-tested. Screws and bushings included. 20:1 gear ratio.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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2 Treble, 2 bass SELF ALIGNING THRUST BEARINGS! Self-aligning thrust bearings! Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string posts with cutaway shoulders to provide slip-over. Two screws in the housing apron provide greater holding power. It may be used with ALL modern bass guitar headpieces. Individually hand-tested. Screws and bushings included. 20:1 gear ratio. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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2 Treble, 2 bass SELF ALIGNING THRUST BEARINGS! Self-aligning thrust bearings! Special butterfly button. Durable cast housing. End thrust bearings. Worm meshes perfectly with gear. Safety-type string posts with cutaway shoulders to provide slip-over. Two screws in the housing apron provide greater holding power. It may be used with ALL modern bass guitar headpieces. Individually hand-tested. Screws and bushings included. 20:1 gear ratio.For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears • Self aligning thrust bearings • 23:1 gear ratio • 21/32” post hole • Post length to hole: 20.9mm • Overall post length: 34.3mm • Weight per pc/per set: 3.8oz/15.2oz • Max. string gauge: .145” • Hardware included (bushings, washers, screws) • Drop-in replacement for: None at this time   For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line, left hand SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears• Self aligning thrust bearings• 23:1 gear ratio• 21/32” post hole• Post length to hole: 20.9mm• Overall post length: 34.3mm• Weight per pc/per set: 3.8oz/15.2oz• Max. string gauge: .145”• Hardware included (bushings, washers, screws)• Drop-in replacement for: None at this time For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line, left hand SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears• Self aligning thrust bearings• 23:1 gear ratio• 21/32” post hole• Post length to hole: 20.9mm• Overall post length: 34.3mm• Weight per pc/per set: 3.8oz/15.2oz• Max. string gauge: .145”• Hardware included (bushings, washers, screws)• Drop-in replacement for: None at this time For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line, left hand SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears• Self aligning thrust bearings• 23:1 gear ratio• 21/32” post hole• Post length to hole: 20.9mm• Overall post length: 34.3mm• Weight per pc/per set: 3.8oz/15.2oz• Max. string gauge: .145”• Hardware included (bushings, washers, screws)• Drop-in replacement for: None at this time For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears • Self aligning thrust bearings • 23:1 gear ratio • 21/32” post hole • Post length to hole: 20.9mm • Overall post length: 34.3mm • Weight per pc/per set: 3.8oz/15.2oz • Max. string gauge: .145” • Hardware included (bushings, washers, screws) • Drop-in replacement for: None at this time   For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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4-in-line, left hand SELF ALIGNING THRUST BEARINGS! The 145 Series is innovative in design and styling. Durable die-cast housing and butterfly button with self-aligning thrust bearings to allow the worm and gear to mesh perfectly. Safety-type string posts with cutaway shoulders to provide slip-over. May be used with ALL modern bass guitar headstocks. • Sealed-in, lubricated gears• Self aligning thrust bearings• 23:1 gear ratio• 21/32” post hole• Post length to hole: 20.9mm• Overall post length: 34.3mm• Weight per pc/per set: 3.8oz/15.2oz• Max. string gauge: .145”• Hardware included (bushings, washers, screws)• Drop-in replacement for: None at this time For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more information.

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The Grover Tune-O-Matic style bridge is a direct original equipment replacement for all guitars utilizing this type. Each unnotched saddle can be individually adjusted to reach and maintain precise and accurate intonation with the simple turn of a screw.  Constructed from quality materials, the Grover Tune-O-matic style bridge has excellent sustaining qualities and helps prolong string life. Each bridge comes with two inserts and two thumbwheels for a quick and easy install, and is an excellent upgrade and investment. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The Grover Tune-O-Matic style bridge is a direct original equipment replacement for all guitars utilizing this type. Each unnotched saddle can be individually adjusted to reach and maintain precise and accurate intonation with the simple turn of a screw.  Constructed from quality materials, the Grover Tune-O-matic style bridge has excellent sustaining qualities and helps prolong string life. Each bridge comes with two inserts and two thumbwheels for a quick and easy install, and is an excellent upgrade and investment. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The Grover Tune-O-Matic style bridge is a direct original equipment replacement for all guitars utilizing this type. Each unnotched saddle can be individually adjusted to reach and maintain precise and accurate intonation with the simple turn of a screw.  Constructed from quality materials, the Grover Tune-O-matic style bridge has excellent sustaining qualities and helps prolong string life. Each bridge comes with two inserts and two thumbwheels for a quick and easy install, and is an excellent upgrade and investment. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The Grover Tune-O-Matic style bridge is a direct original equipment replacement for all guitars utilizing this type. Each unnotched saddle can be individually adjusted to reach and maintain precise and accurate intonation with the simple turn of a screw.  Constructed from quality materials, the Grover Tune-O-matic style bridge has excellent sustaining qualities and helps prolong string life. Each bridge comes with two inserts and two thumbwheels for a quick and easy install, and is an excellent upgrade and investment. For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U98-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .994” (25.2mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 20mm• Overall post length: 25.2mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U99-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The 98 Series is classic in design and feature a stamped plate with round button. These classic machine heads offer smooth and accurate tuning. • Open gears• 14:1 gear ratio• 15/64” post hole• Post length to 1st hole: 13mm• Post length to 2nd hole: 11mm• Overall post length: 27.6mm• Weight per pc/per set: .8oz / 4.8oz• Max. string gauge: .074”• Hardware included (screws) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The 98 Series is classic in design and feature a stamped plate with round button. These classic machine heads offer smooth and accurate tuning. • Open gears• 14:1 gear ratio• 15/64” post hole• Post length to 1st hole: 13mm• Post length to 2nd hole: 11mm• Overall post length: 27.6mm• Weight per pc/per set: .8oz / 4.8oz• Max. string gauge: .074”• Hardware included (screws) For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and butter bean button of the original Grover® Sta-Tite™ machine heads. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and butter bean button of the original Grover® Sta-Tite™ machine heads. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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The U99-18 Series is beautifully designed for precise tuning with the classic styling and multiple interchangeable button options. These high-end ukulele machine heads come mounted on a die-cast plate with a .827” (21mm) long post. • Open gears• 18:1 gear ratio• 22/64” post hole• Post length to hole: 16mm• Overall post length: 21mm• Weight per pc/per set: .9oz/3.6oz• Max. string gauge: .074”• Hardware included (bushings, screws)• Drop-in replacement for: U98-18 Series For detailed specifications and/or fitting guides please locate this item on the Grover website where they offer more detailed information.

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