• Double cut: for filing flat surfaces and for rough sharpening of edges on spades, hoes, mower blades, etc. • 2-in-1 • Single cut: for fine filing of flat surfaces and for fine sharpening of tools and implements • Shape: parallel edges, one edge uncut • Type of cut: 1 = bastard • one side double cut bastard, the other side single cut bastard • Industry pack unhandled