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 to smoothly and accurately enlarge 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. 23-1/2 lbs.