Mill File, File Coarseness Bastard , File Style American Pattern File, File Type Mill File, Profile Shape Rectangular, Face Style Single-, Edge Style Single, File Length without Tang 10 in, Thickness 3/16 in, File Width 1 in, Number of Edges 4, Rigidity Rigid, Taper Regular Taper, Teeth per Inch 38, 39, File Body Finish Black Oxide, Handle Length 10 in