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.

The Gotoh Relic bass tuners are convincingly aged parts that are perfect for a vintage or relic'd bass. Parts from the Gotoh Relic series are uniquely worn for an aged look that offers the functionality of a new part.

For the ultimate in weight control, we offer the 143 series for Bass Guitar. With a plastic housing and aluminum string post, this lightweight bass key is perfect for the player who is concerned about the overall weight of the instrument. The 20:1 gear ratio provides the finest tuning available. 2 treble and 2 bass.

Grover 143 Series Lightweight Bass Guitar Machines. For the ultimate in weight control, Grover offers the 143 series for Bass Guitar. With a plastic housing and aluminum string post, this lightweight bass key is perfect for the player who is concerned about the overall weight of the instrument. The 20:1 gear ratio provides the finest tuning available. Several configurations and are offered, all with a black plastic bass plate and plated button and post. (Includes: four bushings having an outer diameter of 0.66” and internal M19 x 1.0 threading and four washers). 4 Treble, Set of 4