Durston 15242628US PrecisionFit Ring Sizing Set - Steel & Aluminum Ring Mandrels & 31 Ring Set 1-16 USA Master Alloys Two textured face sizes on

Two textured face sizes on a single head: 20 x 11mm and 20 x 9mm

Apply a drop of testing acid across both marks and observe how each reacts

Two sizes of horizontal drawbars are included to accommodate rings of varying widths

this extended-length cable provides additional reach for installations where the standard length falls short

Durston 15242628US PrecisionFit Ring Sizing Set - Steel & Aluminum Ring Mandrels & 31 Ring Set 1-16 USA Master Alloys Two textured face sizes onThis 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