This high quality ring stretcher and reducer resizes ring bands from size 1 to 36. . The reversible base plate has 16 reduction dies which can reduce ring shanks up to 12 mm wide by compression. The entire tool is made out of hardened steel with a grey painted base. It can be bolted to your bench or used as a portable unit. This compact model measures 18 x 4.5 x 7.5” (39.5 x 11.5 x 19.0 cm). Made in India.