Machinists File Material Applications Aluminum Brass Bronze Steel Tin File Coarseness Bastard 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 15/64 in File Width 1/4 in Number of Cut Edges 3 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 42 47 63 File Body Finish Natural Container Type Box