DIAMOND NEEDLE FILES
Medium 120/140 grit knife diamond needle file by Grobet File. Engineered to deliver performance unequaled by any other file. For use on ultra-hard materials. Carbide, hardened steel, exotic metals, ceramics, and glass are no match for these precision diamond files.
Excellent material removal is the result of a unique process that bonds the 2-1/2" (64 mm) long diamond coated surface. All sides are coated.
ALWAYS WEAR EYE PROTECTION WHEN USING A DIAMOND FILE