Durston PrecisionFit™ Showroom-to-Bench Ring Sizing Kit Shot Plates Bonny Doon urethane hammer

Bonny Doon urethane hammer

The 100-ton PRO is particularly effective when used with the high-precision non-conforming die kit

container and 1-7/8" dia

Head is cast from 420-grade stainless steel and tool hardened to 50 HRC for maximum durability and effectiveness

This polished

Durston PrecisionFit™ Showroom-to-Bench Ring Sizing Kit Shot Plates Bonny Doon urethane hammerThis Durston PrecisionFit showroom to bench ring sizing kit helps you ensure a correct sizing on rings the first time. The aluminum ring stick, steel finger gauge set and tapered steel mandrel included in this set are calibrated to one another and precision machined to keep their sizing true, providing excellent consistency from showroom to bench to customer. Measure customers fingers or their rings in your showroom, then reproduce the measurement