Machinists File Material Applications Aluminum Brass Bronze Steel Tin File Coarseness Second 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 4 in Thickness 1/8 in File Width 1/8 in Number of Cut Edges 4 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 50 54 File Body Finish Natural Container Type Box Features Wavy Tooth Handle Length 4 in Insulated No