The PrecisionFit™ system is used by individual jewellers through to large, multiple chains. The PrecisionFit™ Steel Marked Ring Mandrel is hardened to 64RC to ensure a solid base for your work, weighing in at 3.3 pounds (1.5KG). The PrecisionFit™ system ensures your 1-16 ring sizing is right every time – no more cross-referencing with inaccurate ring sizers and mandrels.
