Machinists File, Material Applications Aluminum, Brass, Bronze, Steel, Tin, File Coarseness Bastard , File Style American Pattern File, File Type Machinists File, Profile Shape Rectangular, Face Style Single-, Edge Style Single, File Length without Tang 6 in, Thickness 7/32 in, File Width 1/4 in, Number of Edges 3, Rigidity Rigid, Taper Taper Towards Point, Teeth per Inch 59, 70, File Body Finish Natural, Handle Length 6 in, Insulated No