Choose Grover Mini bass tuners for exceptional tuning stability and long-term reliability. Grover Mini tuning machines feature a precise 20:1 ratio for smooth performance, and sealed-in lubrication will keep these tuners primed for a lifetime. These tuners are an ideal replacement for virtually any modern bass guitar, and come with all necessary mounting hardware. For stable tuning that you can rely on, get some Grover Mini bass tuners! Grover Mini Tuning Machines for Electric Bass Guitar Features: Mini tuning machines for bass guitars Color: Gold Mini size is perfect for smaller headstocks, or simply for a lighter feel 20:1 gear ratio .391" hole size 2 x 2 configuration Enjoy world-class tuning stability with the Grover Mini bass tuning