Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Instantly dissolves tarnish and restores

Instantly dissolves tarnish and restores brightness and luster

1mm thick 14K Yellow Gold 302-209 Nickel 21

Part # Color Hardness Shore D 121

2: Round face – Dimple / Narrow Pinstripe

These wire bundles then connect to a Quatro AE750 Connector Cable (not included — must be purchased separately)

Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Instantly dissolves tarnish and restoresThe Durston 2127 Large Ring Stretcher Mandrel is an expanding mandrel purpose built for enlarging and truing rings with larger diameters. Its compact 92 mm length keeps it practical for bench use, easy to stow in a drawer, or pack into a tool roll. Once secured in a vise, clamp, or appropriate machine fixture, the mandrel expands evenly as you tighten the center bolt with the included hex keygiving you controlled, incremental sizing without distorting