【Long-Life Teeth】 Teeth made of bI-metal with 8% Cobalt which makes EZARC reciprocating saw blades with 2times longer life comparing with normal bi-metal blades without cobalt. 【Cutting Capacity】 6TPI with large chip remove gullet for fast, efficient, aggressive cuts in nail-embedded wood, engineered lumber, chipboard and glass fiber-reinforced plastics < 175mm. 【Applications】 Ultra-hardened cutting edge provides utmost durability and longevity ideal for wood and aluminum window frame demolition and wooden construction cutting. 【Slim Body】 Slim blade body and tip design make this blade easy into any corner for cutting works. 【Universal shank】 1/2 inch shank fits all Sawzall tools on the market including Bosch, Dewalt, Milwaukee Sawzall Saw, SKIL, Makita, Black & Decker, Ryobi, Porter Cable, Hitachi, Flex, Hilti, Metabo and more.