Kluson Adapter Bushings (SET 6) (1/4 inch ID) for Vintage Machine Head - Nickel (MB65N-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. For metric I.D. spec versions delete the US from the part number.