Machinists File, Material Applications Aluminum, Brass, Bronze, Steel, Tin, File Coarseness Bastard , File Style American Pattern File, File Type Handy File, Profile Shape Rectangular, Face Style Double-, Single-, Edge Style Single, File Length without Tang 10 in, Thickness 3/16 in, File Width 1 in, Includes Handle Yes, Number of Edges 3, Rigidity Rigid, Taper No Taper, Teeth per Inch 21, 39, File Body Finish Black Oxide, Container Type Box