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.
| Weight | 0.9 kg |
|---|---|
| Product Length (mm) |
360mm |


