Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Part # Color Hardness Shore

Part # Color Hardness Shore D 121

Sold individually so you can purchase exactly the quantity and lengths you need

Sold in a convenient box of 10 respirators

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

Durston 2127 Large Ring Stretcher Mandrel Practice Rings Mountings & Plates Part # Color Hardness ShoreThe 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