Ring Sizers & Stretchers

This small expanding ring stretcher mandrel is designed to enlarge and size rings in the 14–17 mm range, in a compact format that tucks easily into...

This medium expanding ring stretcher mandrel makes it easy to enlarge and size rings in the mid-range of sizes, in a compact format that tucks neat...

The Durston 2127 Large Ring Stretcher Mandrel is an expanding mandrel purpose-built for enlarging and truing rings with larger diameters. Its compa...

This compact set of ring stretcher mandrels lets you enlarge and size rings with controlled pressure, whether you are at the bench or working on th...

This set of seven replacement cutters covers the full range of USA ring sizes for professional ring sizing work. Designed for use with compatible G...

The GRS Ring Size Cutter quickly and accurately removes a precise section of ring shank for down-sizing. Each cutter produces a perfectly parallel ...