Stirex Ergonomic Knives are used by professionals in the food industry. With Stirex angled knives, it is easy to create a comfortable poistion for work in hanging material. Stirex knife handles are designed to allow a worker use of the larger muscle groups of the forearm and upper arm. The handle design also allows an improved power grip which can aid in the reduction of excessive grip force. All Ergonomic Industial Stirex knives are made of extra carbon steel blades and watertight machine washable propylene handles.