Machinists File Material Applications Iron Mild Steel Plastics Wood File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Round Face Cut Style Single-Cut Edge Cut Style Safe File Length without Tang 12 in Thickness 15/32 in File Diameter 3/8 in Number of Cut Edges 4 Rigidity Rigid Taper Tapered Slightly Towards Point File Body Finish Natural