Lasts up to 100 times longer than a bi-metal blade in tough material - Cutting through thick metal like steel sections or heavy cast iron pipes probably isn't one of your favorite jobs. Plumbers, renovators and demolition workers all know that even with a heavy-duty reciprocating saw, this tough work requires sweat and muscle power. The Expert 'Thick Tough Metal' not only cuts thick metal, it also offers exceptional durability on these toughest jobs. Bosch Carbide Technology gives the blade outstanding durability. Made from the hardest metal, the teeth are welded onto an extra tough, wide blade made from steel with a high material thickness - perfect for straight cuts and resilience. Professionals who have never used a Bosch Carbide blade before will be amazed at what the Bosch Expert 'Thick Tough Metal' reciprocating saw blade can withstand. You might even enjoy cutting thick steel and cast iron with the Bosch Expert 'Thick Tough Metal' reciprocating saw blade. Fits all reciprocating saws with S-shaft.