•For Fine Filing and Polishing Jobs Used by Engravers, Precision Engineers, Instrument Makers, Watchmakers and Goldsmiths Shape: Triangular, Surfaces Taper to a Point Type of Cut: 0 = Bastard, 1 = Second, 2 = Smooth, 4 = Dead Smooth Surfaces Triangular and Double Cut Packing: 10 Pieces Per Box