Description
The Durston Hardened Ring Mandrel – Round 10-25 is a high-quality tapered ring mandrel crafted from premium tool steel. It is hardened to 64 RC, ground, and polished to deliver consistent, precise, and durable results. This unmarked mandrel is designed with an ergonomic handle to fit comfortably in the hand, providing support and ease of use during ring forming and sizing. The mandrel measures approximately 365mm in length and can size rings from 10mm to 25mm diameter, making it suitable for a wide range of jewelry work.