Machinists File, Material Applications Aluminum, Brass, Bronze, Steel, Tin, File Coarseness Bastard , File Style American Pattern File, File Type Machinists File, Profile Shape Triangular, Face Style Double-, Edge Style Single, File Length without Tang 8 in, Thickness 5/8 in, File Width 5/8 in, Number of Edges 3, Rigidity Rigid, Taper Taper Towards Point, Teeth per Inch 22, 26, 32, File Body Finish Natural, Container Type Box, Features Exclusive Wavy Tooth Design