The DEWALT® 3-1/2 In. 18 TPI Bi-Metal Scroll Reciprocating Blade is built to maximize durability and ease of use so you never need to spend time or energy worrying about the tool. A strong, flexible blade body is equipped with reinforced teeth, so you know this blade will live up to your standards on even tough applications. With a raker tooth design, vibration is minimized so you can work confidently on repetitive jobs. DEWALT®'s exclusive anti-stick coating reduces friction, and cutting is faster, allowing you to get more done, no matter what the job.