This Hardened Shaped Ring Mandrel is made from the highest quality materials to produce consistent, outstanding results.

Hardened Ring Mandrels – Round 10-28 from Durston Tools. This Hardened Shaped Ring Mandrel is made from the highest quality materials and produce consistent, outstanding results. This unmarked tapered mandrel is hardened to 64 RC and ground. With ergonomically designed handles, each ring mandrel is created to fit comfortably into your hand, providing support and comfort.

High quality triangular metal mandrel with curved edges.