Mill File, File Coarseness Second , File Style American Pattern File, File Type Mill File, Profile Shape Rectangular, Face Style Single-, Edge Style Single, File Length without Tang 8 in, Thickness 1/8 in, File Width 13/16 in, Number of Edges 4, Rigidity Rigid, Taper Regular Taper, Teeth per Inch 51, 52, File Body Finish Black Oxide, Handle Length 8 in