Sigmaforge knives are precision-forged from one piece for impeccable blade geometry. The basic requirement for exact grinding and the best cutting properties. Zwilling high-performance steak knives are dishwasher safe, but hand wash is recommended to prolong the life of your knife. Comes in a 5.5" X 1" X 11" box.A steak knife is used at the table (as opposed to the kitchen) to cut through especially tough foods, such as meat. A great addition to your restaurant or home.