WD Kluson steel replacement bushings are for Kluson tuners (2006 to current production) or any tuners requiring a vintage peg hole size O.D. of 11/32 in. with a 1/4 in. string post I.D. These are not the adapter bushings. Outside diameter = 8.85mm. Inside diameter = 1/4 inch or 6.35mm.

Part # MB65N-US