Durston PrecisionFit™ Showroom Boxed Ring Sizing Set (USA Quarter Sizes 1-16)

The Durston PrecisionFit™ 31 Ring Set (sizes 1-16 in US sizing) is a comprehensive set designed to perfectly fit and complement Durston’s PrecisionFit™ aluminium and steel ring mandrels. The set ensures precise and consistent ring sizing, eliminating the need for cross-referencing with inaccurate ring sizers. Manufactured to International Standard ISO 8653, each ring is machined, hardened, ground, and engraved at Durston's UK factory, guaranteeing 100% accuracy. The set includes a total of 31 steel rings, designed to provide reliable sizing from sizes 1 through 16, suitable for professional jewelers and workshop environments.