Kluson Black Tuner Adapter Bushing Converts 10mm to 1/4″ Vintage MB65LBUS

Kluson Black Tuner Adapter Bushing – Converts Modern 10mm to 1/4″ Vintage Spec – (MB65B-L US)

These Kluson steel replacement – adapter bushings are intended for use in converting a modern 10mm drilled headstock to accept a vintage Kluson stamped steel tuning machines with the original US 1/4 inch string post diameter. Many repair shops use these to convert a vintage instrument back to original peg head specs. Outside diameter = 9.98mm.Inside diameter = 1/4 inch or 6.35mm.