The Grover mid-size button provides reliable tuning for your electric guitar. With 18.38 mm x 14.45 mm buttons, you get a low-profile design that won't get in your way while playing. The 0.3 oz weight lets you perform comfortably without adding excess mass to your instrument. Packaged as a set of six with included screws, the mid-size button fits a wide range of guitar models from major brands. Once in place, the Grover mid-size button holds tune through aggressive playing, eliminating the need for constant adjustments.