Description
The Durston Hardened Oblong Ring Mandrel is crafted from high-quality tool steel, hardened to 64 Rockwell, ground, and polished for precise ring shaping. It features an unmarked tapered design with ergonomic handles for comfortable grip and support during use. This mandrel measures from 6.5 x 8.5 mm up to 18 x 23 mm, making it suitable for forming oblong or oval-shaped rings. It is designed to produce consistent, outstanding results for professional jewelers.