Durston 15242628US PrecisionFit Ring Sizing Set - Steel & Aluminum Ring Mandrels & 31 Ring Set 1-16 USA Genuine Cabochons Traditional screw tension is not

Traditional screw tension is not suitable for the Mk

Never immerse the handpiece in liquid

lightweight micromotor construction

By selectively stretching the ring shank opposite the stone

Durston 15242628US PrecisionFit Ring Sizing Set - Steel & Aluminum Ring Mandrels & 31 Ring Set 1-16 USA Genuine Cabochons Traditional screw tension is notThis complete ring sizing system pairs lightweight front of house mandrels with a heavier workshop mandrel and matching ring gauges, so every size from 116 reads the same at the counter and at the bench. The mandrels feel solid and precise in the hand, with crisp engraved markings that are easy to read under normal shop lighting. Features Integrated ring sizing system designed to keep showroom and workshop sizing perfectly aligned from size 1 through