Stop uke tuner slippage problems forever. Set of 4 tuners, satin chrome finish, vintage white butterbean (oval) style button, 4:1 gear ratio, all mounting hardware included. Smooth & stable tuning while maintaining the classic look of friction pegs. No slippage or need for tightening. Long shaft version for thicker pegheads, fits headstocks from 11.5mm to 13.5mm thick, including modern Martin ukes