Machinists File, Material Applications Iron, Mild Steel, Plastics, Wood, File Coarseness Smooth Cut, File Style American Pattern File, File Type Machinists File, Profile Shape Triangular, Face Cut Style Single-Cut, Edge Cut Style Single, File Length without Tang 4 in, Thickness 5/32 in, File Width 1/4 in, Number of Cut Edges 3, Rigidity Rigid, Taper Tapered Slightly Towards Point, File Body Finish Natural