Machinists File Material Applications Aluminum Brass Bronze Steel Tin 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 6 in Thickness 1/4 in File Width 1/4 in Number of Cut Edges 4 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 33 36 File Body Finish Natural Container Type Box Features Wavy Tooth Handle Length 6 in Insulated No