Crafted with 8% cobalt for extreme durability, DEWALT Bi-Metal Cordless Bandsaw Blades are ideal for thick metal, medium metal, and thin-gauge metal cutting. A Matrix II High-Speed Steel Edge delivers excellent heat and wear resistance, and Rc 65-67 tooth hardness offers helps to increased durability. An alloy steel backer provides fatigue resistance. | DEWALT 24 TPI Portable Band Saw Blade (.020" 3 pack) DW3984C