6Pcs/1set Musiclily Pro Steel Vintage/Modern 6mm To 10mm Guitar Tuner Conversion Bushings Tuning Pegs Adapter Ferrules.

* 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(1/4 inch), outside diameter is 10.8mm(27/64 inch),

9.5mm(3/8 inch) tall. Check our size image before you buy

* Fits vintage style 6mm string post diameter, Kluson used this post between

1995 and 2006

* Quality steel made, traditional looking

* Package includes: 6pcs bushings