Lasts up to 50x longer than Bosch S1111DF blade in tough materials - Whats even tougher than a Bosch carbide blade? A Bosch carbide blade with reinforced teeth, of course! Sometimes, the abuse endured by a blade in demolition jobs is so great that the teeth get torn off. So Bosch made them even stronger. For the toughest demolition work, Bosch developed the EXPERT Wood with Metal Demolition. The progressive pitch ensures it isnt surprised by any thickness changes in material; the individually reinforced tooth shoulders withstand the worst impacts of embedded high strength steel in wood; and it is all backed up by the ability of carbide to tear through anything in its way. When you absolutely have to demolish the most robust structures and fittings, the Bosch EXPERT Wood with Metal Demolition Reciprocating Saw Blade is your go-to blade. It will take any abuse you inflict and keep on cutting. Fits all S-shank reciprocating saws.