* It is mainly used for cutting tools such as burnishing drill, reamer, and end mill, since carbides are added to fine-grained WC to suppress oxidation and chipping due to high temperature in high-speed cutting. Substances in which strength and toughness are maximized by adding carbides to ultrafine-grained WC, is mainly used for slitter, knife, cutter, and saw cutter. * We also have the stock of SHIM (sheet) and JAW, the cutting jigs and fixtures with a variety of specifications. Especially, stability and life of JAW were improved by applying not brazing tap but hard tap.