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 14 in, Thickness 1/4 in, File Width 1 7/16 in, Number of Edges 4, Rigidity Rigid, Taper Regular Taper, Teeth per Inch 31, 32, File Body Finish Black Oxide, Handle Length 14 in