The Classic Wave is a 4 in one tool it is the knife that acts like a whole set of knives. Imagain a knife that is 4 knives in one. The blade can cut through a soft tomato and then handle a crusty loaf of bread. But that's not all. The wave will also chop an onion, slice meat and the broad tip of the knife can even spread mustard. The Wave is truly the ultimate sandwich knife. The scalloped blade is forge from high Carbon German steel.