The Expert ‘Thick Tough Metal’ not only cuts thick metal, it offers exceptional lifespan in the toughest of applications. Extreme durability is built into the blade with Bosch Carbide Technology. Teeth made of the hardest metal are welded onto an extra-robust wide body in thick gauge steel – perfect for straight cuts and endurance. Professionals who haven’t used a Bosch carbide blade before will be astonished at what the Bosch Expert ‘Thick Tough Metal’ Reciprocating Saw Blade can withstand. With the Bosch Expert ‘Thick Tough Metal’ Reciprocating Saw Blade, you might just start to enjoy cutting thick steel and cast iron. Fits all S-shank reciprocating saws sometimes called sabre saws or demolition saws