Durston 2127 Large Ring Stretcher Mandrel Maun sprue line cleanup

sprue line cleanup

Fits 3/32" mandrel for use in standard flexshaft handpieces

File lengths are measured from the tip to the end of the cut — the tang is not included in this measurement

Compatible with a #30 style handpiece

Tang pre-cut to fit GRS quick-change (QC) graver holders

Durston 2127 Large Ring Stretcher Mandrel Maun sprue line cleanupThe 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