Kluson Contemporary 19:1 Ratio Tuners 6 IN LINE for Fender Chrome KCDF-3805CL 6 IN LINE - 19:1 ratio tuning machines - For Fender Guitars Contemporary Style - 25/64 inch peghole (10mm) Mounting Hole Size Requirement for pins = 3/32 in (2.41mm) bit Bushings and mounting hardware included Available at Ant Hill Music!