Heavy Duty Ring Enlarger Stretcher Reducer Jeweler Jewelry Sizer Mandrel Tool

Utilizes a 4 spline system on its polished steel mandrel, this high-quality ring stretcher ensures exceptionally accurate ring sizing. This sizer will size non-ferrous precious and non-precious metal rings and bands up to size 15 (U.S.). Its countersunk, polished steel, reducing plate will reduce bands up to 12mm wide. The body is cast iron, powder-coated for long service life, and is drilled with four countersunk holes (7.5mm dia.) for mounting securely to your work surface (hardware is not included). Sizes, reduces, enlarges, and stretches. Not for use with Stone Set Rings. Reduce and enlarge ring size from 1-15 Reversible base plate.