M8.5 Tap For Jowo BF Size 6 Ebonite Nib Unit

M8,5 x 0,5 taps for size 6 unit with ebonite feeder and Jowo nib.

This tool make a thread into the pen section so the size 6 housing screws in.

Is suitable for plastics, resins and soft metals.

It can be used by hand or attaching it in your lathe tailstock.