Durston 2127 Large Ring Stretcher Mandrel No Discount Newest version (October 2025)—updated design

Newest version (October 2025)—updated design and pricing

3121 Stick 800 Blue 110

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Link measurements were taken by hand with a digital mm gauge and should be considered approximates with a margin of plus or minus 10%

Durston 2127 Large Ring Stretcher Mandrel No Discount Newest version (October 2025)—updated designThe 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