Durston 2125 Small Ring Stretcher Mandrel Gemological Instruments 45º angle attachment head ideal

45º angle attachment head ideal for working in corners and confined areas

VS1 clarity — Very Slightly Included

SC-X contains a higher percentage of cristobalite

Use by hand or clamp down for drill press work

Durston 2125 Small Ring Stretcher Mandrel Gemological Instruments 45º angle attachment head idealThis small expanding ring stretcher mandrel is designed to enlarge and size rings in the 1417 mm range, in a compact format that tucks easily into a drawer or travel kit. Once clamped, the mandrel expands smoothly as you tighten the center bolt, nudging the shank out to size in small, controlled steps. Features Compact expanding mandrel sized specifically for smaller ring diameters. Stores easily in a drawer, toolbox, or roll, ideal for mobile or