Machine Head Converters – 10.2 mm (3/8″) to 6.4 mm (1/4″)
Set of 6
Allows for 6.4mm (1/4″) vintage machine heads
This set of machine head converters allows a 6.4 mm (1/4″) machine head shaft to fit a larger
hole. This is great for using vintage style machine heads if you have a modern size head
stock hole to work with.