Diamond Needle File, Equalling, Fine Grit
Engineered to deliver performance unequaled by any other file, for use on ultrahard materials.
Carbide, hardened steel, exotic metals, ceramics, and glass are no match for this precision file. Excellent material removal is the result of a unique process which bonds the 21/2″ (64mm) long diamond surface.
Overall length is 51/2″ (14 cm).