Machinists File, Material Applications Iron, Mild Steel, Plastics, Wood, File Coarseness Second , File Style American Pattern File, File Type Machinists File, Profile Shape Round, Face Style Single-, Edge Style Safe, File Length without Tang 12 in, Thickness 5/16 in, File Diameter 1/2 in, Number of Edges 4, Rigidity Rigid, Taper Taper Towards Point, File Body Finish Natural, Container Type Box