Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1/4 Size-No Groove Sheet Stock & Stampings This silicone mold rubber is

This silicone mold rubber is engineered to be stronger than any other silicone molding rubber on the market—producing complex molds that resist tearing and last through extensive use

Plate 3 (Divisible by 5): divisions for 5

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

Heavy-duty construction made in Germany

4-groove carbide construction engineered for softer materials including coral and pearls

Durston PrecisionFit Steel Ring Mandrel Graduated in USA sizes 1 To 16 by 1/4 Size-No Groove Sheet Stock & Stampings This silicone mold rubber isThe 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