Steel Ring Mandrel Graduated In USA sizes 1 To 15 By 1/4 Size-No Groove Sharpening Stones These files deliver superior performance

These files deliver superior performance on all metals

8mm – 40mm (approx

526) with one 1/4" pin included

0mm 360-82 14K Yellow 11

supplied in a book of 25 leaves each measuring 3-1/4" square

Steel Ring Mandrel Graduated In USA sizes 1 To 15 By 1/4 Size-No Groove Sharpening Stones These files deliver superior performanceA 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