When the quality of the project's results depends on whether or not your tool can deliver powerful cutting action, trust this 2 PK 9 in. 10 TPI METALWOLF .042 in. Thick WAVE EDGE Bi-Metal Reciprocating Saw Blade to handle the job. Built for performance and endurance, the blade offers up to 50% longer life with its hardy, 3-stage tooth structure. With a tall blade profile designed to quickly and cleanly cut through thick metal, the blade offers long-term dependability thanks to its reinforcing steel base which helps deliver durability and reduced blade breakage over time.