Tuning Machines

The same innovative engineering and classic design as the original Rotomatics, but with smaller buttons for 6-in-line guitars, or for those who prefer a little more space for their fingers.

• Mini Locking Rotomatic Tuners
• 6-In-Line, Left Handed
• Chrome
• Package of 6
• 18:1 Gear Ratio for ultimate precision tuning

RoHS Compliant

Sealed diecast tuning machine set with a standard 45° mounting screw and solid metal oval buttons. These chrome finished tuners are a great choice for Fender® style guitars and others. The gear ratio is 15:1. All mounting hardware is included in this six in a line tuner set.

The introduction of the new Grover Locking Rotomatics® gives you the ease of use provided by a standard tuner and the positive locking of our internal cam post. Simply insert the string through the string hole, pull to tension by hand and begin tuning. As you start to tune, only the locking cam in the string post turns. Once the string is locked, the string post begins to turn allowing you to bring the string to pitch. In less than one revolution of the string post, you will be in tune, to stay in tune. Gear ratio is 18 to 1.

These compact bass machine heads with threaded bushings for 9/16'' diameter peg holes. Gotoh's "Res-O-Lite" machine heads are extremely light weight, only 40 grams each, and made from aluminum alloy to make for a less heavy necked bass. Superior quality and precision made for even the most demanding players out there! Comes in 2+2 configuration and features a 20:1 Gear Ratio. Mounting hardware included.

The Kluson Contemporary Series 19:1 ratio locking tuning machine uses the more desireable rear knob locking system and is designed for usage on contemporary guitars. This design requires an individual mounting hole location offset at approximately 7 O'clock or 4 O'clock depending on left or right handed application (bass or treble side). Uses the common modern 25/64 in. (10mm) peghole with a hex head type screw-in bushing and single mounting screw. This is a 6 in line set of tuning machines for right handed instruments (non-reverse headstocks) with all mounting hardware included

Sealed diecast tuning machine set with a centered mounting screw and large Schaller style buttons. This chrome finished configuration looks classic on both electric and acoustic guitars. The gear ratio is 15:1. All mounting hardware is included in this three per side tuner set.

Distinctive in styling and quality, the Imperial made it's first appearance in the 1970s. The most notable feature of this unique machine head is the futuristic Three Step button, a fresh and funky design trademarked by Grover. This re-introduction of the Imperial is an exact reproduction of the originals, including a 16:1 gear ratio.

Precision 20:1 gear ratio enclosed Bass Guitar tuners. With a 7/16"-diameter string posts and threaded hex bushings. They require a 9/16"-diameter peghole for installation. Featuring sealed lubricated, cast housings and metal knobs. Mounting screws are included. Mounting hardware included. For 5-string bass. 2 Left, 3 Right.

Vintage style stamped tuning machine set with vintage green plastic keystone buttons. These classic tuners look great on vintage and Gibson style guitars and come in multiple finish options. The gear ratio is 15:1. All mounting hardware is included in this three per side tuner set.

These super tuners are recognized as such around the world. The SG381 feature a 16:1 gear ratio and has evolved through improvement without compromise at any stage and come equipped with a considerable application of high-technology as standard. With the improvement of precision fitting gears, marvelous touch on playing---they have gained a considerable reputation and are trusted as the No.1 machine head by many musicians all over the world. These come with a metal keystone head and are perfect for your three-on-a-side setup. Mounting hardware included.

Totally professional in design and performance. Small and lightweight, this precision machine fits guitar headpieces that will not take full size machines. The mini buttons provide more space for players' fingers (even larger fingers) to tune strings. Gear ratio is 14:1. Sealed-in lubrication keeps Mini-Rotomatics perfect for a lifetime! Includes ⅝" washers, bushings and wood screws.

Precision 20:1 gear ratio enclosed Bass Guitar tuners. With a 7/16"-diameter string posts and threaded hex bushings. They require a 9/16"-diameter peghole for installation. Featuring sealed lubricated, cast housings and metal knobs. Mounting screws are included. Mounting hardware included. For 4-string bass. 4 in a line.

Sealed rear-lock diecast tuning machine set with a standard 45° mounting screw and solid metal oval buttons. These high quality tuners are a great choice for Fender® style guitars and others and come in multiple finish options. The gear ratio is 19:1. All mounting hardware is included in this six in a line tuner set.

These super tuners are recognized as such around the world. The SG381 feature a 16:1 gear ratio and has evolved through improvement without compromise at any stage and come equipped with a considerable application of high-technology as standard. With the improvement of precision fitting gears, marvelous touch on playing---they have gained a considerable reputation and are trusted as the No.1 machine head by many musicians all over the world. These come with a metal schaller style button and are perfect for your three-on-a-side setup. Mounting hardware included.

The Mid-Size series is made with the same quality as the other Rotomatic® models. Slightly larger than the Mini Rotomatics®, the mid size series features an 18:1 gear ratio for smoother, more precise tuning. This compact machine head is perfect for use on smaller and in-line headpieces.

The 102V series is a remake (replica) of the original “Milk Bottle" style Rotomatics® first introduced by Grover. With an 18:1 gear ratio, this unique style will make any vintage guitar appear truly original. Package of 6, 3 per side.

Vintage style diagonal mount tuning machine set featuring a solid metal Schaller-style knob and are finished in chrome. These stamped tuners feature a classic diamond shaped back cover that can be removed for a more traditional look. The gear ratio is 15:1. All mounting hardware is included in this six in a line tuner set.

These super tuners are recognized as such around the world. The SG381 feature a 16:1 gear ratio and has evolved through improvement without compromise at any stage and come equipped with a considerable application of high-technology as standard. With the improvement of precision fitting gears, marvelous touch on playing---they have gained a considerable reputation and are trusted as the No.1 machine head by many musicians all over the world. These come with a Schaller-style head and are perfect for your six-in-a-line setup. Mounting hardware included.

A smaller version of the regular size ROTO-GRIP® lockers for the in line and smaller headstocks or for those who prefer a lighter feel.

Gotoh chrome locking tuner. Great upgrade or replacement for many stock tuners.

• #5 button
• Chrome finish
• 16:1 gear ratio
• 3+3 orientation

Any sore shouldered bassist can tell you that fighting "neck dive" from a poorly balanced instrument is akin to slow torture. Our Ultralite® bass tuning machines are designed and manufactured to lighten up the load while improving ruggedness and accuracy. Spend more time on the bass-not at the chiropractor.

The PRL-8721 are a right-handed set of Locking RATIO® Calibrated Machine Heads for electric guitars that use 6-in-line tuners. This set has mini Schaller-style knobs. The tuners have a two pin casing that can be used as is, or with our Patented InvisoMatch Mounting Plates. 4 different sets of InvisoMatch mounting plates in brushed aluminum are included to make installation on most guitars fast and accurate by using your existing screw mounting holes. RATIO® is Graphtech’s patented gear technology. RATIO® Calibrated Machine Heads incorporate different string gauges into the tuning equation.

• From Low E to High E 39:1, 24:1, 20:1, 35:1, 20:1, 12:1.

Graphtech balanced the gear ratios to each string simplifying the tuning process. With RATIO®, a half turn is a semitone. Every string reacts the same to any tuning adjustment.

SGS is the smaller model of SG510 series and use a 18:1 gear ratio. The SG510 series has evolved through improvement without compromise at any stage and come equipped with a considerable application of high-technology as standard. With the improvement of precision fitting gears, marvelous touch on playing—they have gained a considerable reputation and are trusted as the No.1 machine head by many musicians all over the world. Mounting hardware included.

"F" Style tuners as used on 1970s Fender® guitars, 6-in-a-line. Hardware included.