This premium Italian ring stretcher both reduces and enlarges rings up to size 15. The highly polished six-spline mandrel is graduated in U.S. sizes for smoothly and accurately enlarging rings. The reversible base plate has 16 smoothly-honed reduction dies which will not scratch and allows for reducing bands up to 12mm wide by compression. Italian-made upright compact model assures the finest quality. 23½ lbs.