Slim Taper File File Coarseness Bastard Cut File Style American Pattern File File Type Machinists File Profile Shape Triangular Face Cut Style Single-Cut Edge Cut Style Single File Length without Tang 6 in Number of Cut Edges 3 Taper Tapered in Width and Thickness File Body Finish Natural Features Triangle-Shaped File Gradually Tapered in Width and Thickness for Cutting Angles Less Than 90 Degree Handle Length 6 in Insulated No