Feature
Resistant to water and lasts long even in wet environments, beaches and at sea.
Cutting powder is difficult to attach and clogs are eliminated considerably.
Having Hardness of HV 900 （HRC67） makes it possible to handle from soft materials such as plastic products, aluminum materials, copper materials, mold steels, stainless steel, ceramics and hard materials to a 1 file.
Material
Quenching（HRC25±5）