Tuning Machines

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. 3 Left, 2 Right.

The SGS is the smaller model of SG510 series. These high quality mini-tuners offer solid tuning stability and feature an 18:1 gear ratio. This 6-in-a-line set includes all necessary mounting hardware.

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.

Locking tuners with a chrome, satin finish that provides a sleek, modern look and is less susceptible to fingerprints and blemishes. Package of 6 in a line.

The SG510 series are recognized the world over as one of the top performing super tuners on the market. These feature an 18:1 gear ratio. They have evolved through improvement without any compromises along the way. The come equipped with a considerable amount of high-technology as a standard. With the improvement of precision fitting gears which give a 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 are three-on-a-side. 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.