Speedily power through difficult cutting projects with this versatile 8 in. 10 TPI MULTIWOLF .05 in. Thick WAVE EDGE Bi-Metal Reciprocating Saw Blade. Get up to 50% longer life with the blade’s revolutionary WAVE EDGE tooth formation engineered for durability and consistent powerful cutting through wood， metal， and plastic. Its agile profile is suitable for sawing through a wide variety of materials while the steel cutting edge and spring steel backing help boost cutting life by reducing blade breakage over time.