Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1/4 Size-No Groove Sheet Stock & Stampings powered by a robust 1/2

powered by a robust 1/2 HP motor spinning at 3

Plate 3 (Divisible by 5): divisions for 5

consistent results when raising

A built-in wax drain spigot simplifies wax changes and maintenance

GRS BenchMate system is not included

Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1/4 Size-No Groove Sheet Stock & Stampings powered by a robust 1/2The Durston PrecisionFit Steel Ring Mandrel is a super premium, properly hardened and expertly machined steel mandrel matched to the Durston Ring Size System and the Durston Ring Finger Gauge. Designed to work in concert with the full Durston sizing system, this mandrel helps jewelers minimize customer ring size issues at the benchwhether you are using a Durston finger gauge or another brand. With over 20,000 units in use at some of the largest