DESCRIPTION 

• Ideal for converting your vintage style 6-inline or 3R3L machine heads 6mm diameter string post to a modern 10mm drilled headstock bore hole
• Inner diameter is 6.2mm(15/64 "), outside diameter is 10.8mm(27/64 "),9.5mm(3/8 ") tall. Check our size image before you buy
• Fits vintage style metric 6mm string post diameter, Kluson used this post between 1995 and 2006
• Quality full metal made, traditional looking
• Package included: 6 pcs bushings