Set of Delrin ring bushings for pen mandrels

Delrin ring bushings 2 pieces per size, for regular pen mandrels with .250 shaft size

Small – Ring size US 3-8 

Medium – Ring size US 8-12

Large – Ring size US 12-17

Sold as a set of three (3 sets of 2 pieces ); Small, Medium, Large

Non stick delrin ring making bushings