Editorial Review Enclosed-gear tuners for smaller bass guitar pegheads, with 7/16"-diameter string posts and threaded hex bushings. 9/16"-diameter pegholes required.Precision 20:1 gear ratio with sealed lubricationCast housings and metal knobsChrome finishSet of 4, for 2-left/2-right pegheadsMounting hardware (4 screws, bushings and washers) includedPilot holes requiredInstalling delicate screws such as these into hard maple requires great care and accuracy. We highly recommend using a No.50 bit for the pilot hole before installing these screws. Lubricate the screw threads with cutting lubricant (also wax or a bar of soap) to reduce friction and help them thread properly.
Features 1) Enclosed-gear tuners for smaller pegheads, with 7/16"-diameter string posts and threaded hex bushings 2) Precision 20:1 gear ratio with sealed lubrication, cast housings and metal knobs 3) Set of 4 tuners, for 2-left/2-right pegheads 4) 9/16"-diameter pegholes required 5) Mounting hardware (4 screws, bushings and washers) included