Bi-Metal blade suitable for cutting through thick metals and other material, also used for demolition work in wood with nails. Colour-coded bayonet type fitting allows for easy identification. Milled & side set teeth allow for a relatively rough and efficient cut through softer woods, metals and 5-8tpi blade ideal for heavy demolition work. Works with most popular brands of reciprocating saws., Weight: 0.5732018812 Pounds, Manufacturer: Sealey