Description The Milwaukee Sawzall 6 in. 8/12 TPI Reciprocating Saw Blades (5-Pack) can be used to cut through wood, nail-embedded wood, composition material, plastic, ferrous and non-ferrous metals and cast iron. Double relief angle reduces tooth stress for long life. Precision forming process creates sharper teeth for fast cutting. Matrix II bi-metal teeth for greater durability.PRODUCT DETAILS: 1/2 in. universal tang fits most sawzalls Bi-metal construction 8/12 Teeth per inch Cuts wood, nail-embedded wood, composition material, plastic, ferrous and non-ferrous metals and cast iron