Irwin Sabre Saw Blades 810R Metal & Wood offer superior construction and design making them faster cutting and longer lasting. The Irwin reciprocating range includes labelling on the blade, which makes it easy to identify the right blade for the right application. These Metal and Wood Cutting blades are suitable for cutting composition materials such as plastic, wood, carbon steel and stainless steel. Suitable for materials which are 3.2mm (1/8in) and thicker. Length: 200mm.TPI: 10.Irwin Sabre Saw Blades 810R 200mm Metal & Wood Cutting Pack of 5.Length: 200mm.TPI: 10.