Machinists File Material Applications Aluminum Brass Bronze Steel Tin File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Round Face Cut Style Double-Cut Edge Cut Style Double File Length without Tang 6 in Thickness 7/32 in File Diameter 1/4 in File Width 1/4 in Number of Cut Edges 4 Rigidity Rigid Taper Taper Towards Point Teeth per Inch 27 File Body Finish Black Oxide Container Type Box