Needle File, Material Applications Ceramic, Glass, Steel, Tungsten Carbide, File Style Swiss Pattern File, File Type Needle File, Profile Shape Half Round, Edge Style Safe, File Length without Tang 2 75591/100000 in, Thickness 5/64 in, File Diameter 1/4 in, File Width 3/16 in, Grit 170, 200, Includes Handle Yes, Number of Edges 1, Taper Taper Towards Point, File Body Finish Natural, Abrasive Material Diamond, Handle Length 5 1/2 in, Insulated Yes