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 Double-Cut Edge Cut Style Single File Length without Tang 6 in Thickness 7/16 in File Width 7/16 in Number of Cut Edges 3 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 28 34 40 File Body Finish Natural Container Type Box Features Exclusive Wavy Tooth Design