Needle File, Material Applications Aluminum, Brass, Bronze, Steel, Tin, File Coarseness Smooth , File Style Swiss Pattern File, File Type Needle File, Profile Shape Rectangular, Face Style Single-, Edge Style Safe, File Length without Tang 6 1/4 in, Thickness 1/16 in, File Width 1/4 in, Number of Edges 4, Rigidity Rigid, Taper Taper Towards Point, File Body Finish Natural, Container Type Box