Needle File Material Applications Ceramic Glass Steel Tungsten Carbide File Style Swiss Pattern File File Type Needle File Profile Shape Half Round Edge Cut 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 Cut Edges 1 Taper Taper Towards Point File Body Finish Natural Abrasive Material Diamond Handle Length 5 1/2 in Insulated Yes