Durston 1529 Ring Sizing Set 6mm 31-Piece 1-16 USA Sizes

PrecisionFit™ system is used by individual jewelers through to large, multiple chains. This 31-Piece Ring Set (1-16 USA sizes) of steel rings perfectly fits and accompanies the PrecisionFit™ aluminum and steel ring mandrels. It ensures your 1-16 USA ring sizing is right every time, no more cross-referencing with inaccurate ring sizers and mandrels. PrecisionFit™ mandrels and ring gauges are made to International Standard ISO 8653. Machined, hardened, ground and engraved to a perfect finish to ensure 100% accuracy.