Fluorine coated. An easy to use corrugated saw. Convenient for work and packing, opening and reducing volumes. Special jagged blade which produces a sharpness which can cut not only cardboard but also PP band and vinyl etc for packing without slipping. Double-edged meaning it can be used from either side. Curves can be cut freely. Domestically produced stainless steel which is resistant to rust. Handles with collars prevent hand slippage enabling you to work safely with comfortable grip.