Steel Ring Mandrel Graduated In USA sizes 1 To 15 By 1/4 Size-No Groove Donnegan A direct replacement for the

A direct replacement for the 30080 type screwdriver system

Dimensions 5" high × 7" wide × 7" long Finish Chrome plated with hand-polished surface Origin India Recommended Use Wax work

Each die is held securely in position by three locking screws

The result is a lower cost per use compared to conventional burs

Part of the renowned Fretz Jewelers Hammers line

Steel Ring Mandrel Graduated In USA sizes 1 To 15 By 1/4 Size-No Groove Donnegan A direct replacement for theA reliable workhorse for the bench, this hardened steel ring mandrel is graduated in USA sizes from 1 to 15 in 1 4 size increments no groove. Otto Frei sourced this mandrel after testing multiple mid priced options and found it to be the best of the group: accurately sized, properly hardened, and produced on modern CNC machinery. It is an excellent choice for beginners, students, and working jewelers who need a dependable mandrel at a practical price