Choose Grover Deluxe tuners for exceptional tuning stability and long-term reliability. Grover Deluxe tuners will add a touch of class to any guitar, and these tuners will last a lifetime. These tuners are an ideal replacement for most standard guitars, and come with all necessary mounting hardware. For stable tuning that you can rely on, get some Grover Deluxe tuning machines! Grover Deluxe Tuning Machines for Guitar Features: Tuning machine heads for guitar Color: Nickel .359" hole size 3 x 3 configuration Enjoy world-class tuning stability with the Grover Deluxe tuning