Tough, long-lasting reciprocating saw blade with durable Bosch Carbide Technology. Lasts up to 50 times longer than a bi-metal blade in tough materials. Ideal for all-round demolition use, including tough jobs such as cutting thick roof beams fixed with nail plate on a building renovation site or cutting through mixed materials with hard nails and screws. Progressive tooth pitch designed to cut thin and thick materials alike. Individually reinforced tooth shoulders withstand the worst impacts of embedded high strength steel in wood. Fits all S-shank (sabre / demolition) reciprocating saws. Cuts Wood with Tough Metal, Construction Wood with Mortar & Nails, Wood Plastic Composite & Hardwood S-Shank Fitting Variable Tooth Pitch Carbide Teeth Ideal for Demolition Workers Cuts Wood with Tough Metal, Construction Wood with Mortar & Nails, Wood Plastic Composite & Hardwood S-Shank Fitting Variable Tooth Pitch Carbide Teeth Ideal for Demolition Workers