Machinists File File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Rectangular Face Cut Style Single-Cut Edge Cut Style Single File Length without Tang 4 in Thickness 5/64 in File Width 7/16 in Number of Cut Edges 4 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 57 58 File Body Finish Natural Handle Length 4 in