Needle File, Material Applications Iron, Mild Steel, Plastics, Wood, File Coarseness Smooth Cut, File Style Swiss Pattern File, File Type Needle File, Profile Shape Round, Face Cut Style Double-Cut, Edge Cut Style Safe, File Length without Tang 8 in, Thickness 5/16 in, File Diameter 1/4 in, Number of Cut Edges 4, Rigidity Rigid, Taper Tapered Slightly Towards Point, File Body Finish Natural