Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Compatible with tapered spindles standard

Compatible with tapered spindles standard on jeweler's polishing lathes (e

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

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

00 mm Note: The full set includes 29 sizes

Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Compatible with tapered spindles standardThe 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