Machinists File, Material Applications Aluminum, Brass, Bronze, Steel, Tin, File Coarseness Bastard , File Style American Pattern File, File Type Machinists File, Profile Shape Round, Face Style Double-, Edge Style Double, File Length without Tang 12 in, Thickness 1/2 in, File Width 1/2 in, Number of Edges 4, Rigidity Rigid, Taper Taper Towards Point, Teeth per Inch 18, File Body Finish Natural, Container Type Box, Handle Length 12 in, Insulated No