Machinists File File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Square Face Cut Style Double-Cut Edge Cut Style Safe File Length without Tang 9 13/16 in Thickness 1/4 in File Width 1 in Number of Cut Edges 4 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 20 File Body Finish Natural Handle Length 9 13/16 in