DEWALT Portable Band Saw Blade, 32-7/8-Inch, .020-Inch, 24 TPI, 3-Pack (DW3984C) By August 9, 2026 No Comments Item model number DW3984C. Part Number DW3984C. An alloy steel backer provides fatigue resistance. These blades have an 8% cobalt content for added durability and wear. Rc 65-67 tooth hardness also increases wear resistance. Continue Reading