The K-Tool Tin Snips, No. KTI72380, are constructed of one-piece drop forged high carbon steel. Designed for cutting straight and wide curves to the left or right they have induction-hardened cutting edges 54-58 HRC. The cutting blades open to approximately 4" and cut up to 0.6mm cold rolled steel or 0.41mm AISi-304 stainless steel. The KTI72380 Tin Snips have a cushioned handle with smooth comfortable bows for ease in use and safety. The tin snips are 8" long and are covered by a lifetime warranty.