Durston PrecisionFit™ Steel Ring Mandrel – UK Sizing (A–Z + 6)

Description

The Durston PrecisionFit™ Steel Marked Ring Mandrel is hardened to 64RC, weighs about 2.2 pounds (1kg), and measures 360mm in length. It is designed to provide a solid and accurate base for ring sizing with sizes ranging from A to Z, eliminating the need for cross-referencing with other ring sizers. Manufactured to International Standard ISO 8653, each mandrel is machined, hardened, ground, and engraved to a perfect finish in Durston’s UK factory. The PrecisionFit™ system guarantees 100% accuracy, with all mandrels undergoing rigorous quality control. The mandrels feature ergonomically designed handles for a firm and comfortable grip, suitable for jewellers ranging from individuals to large retail chains.

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