Diablo's TrexBlade Saw Blade for Composites and Plastic is the only blade recommended by Trex Company for cutting their composite decking materials. These new blades deliver maximum performance and highest quality of finish making it a 'must-have' tool for both professionals and DIYers planning composite decking projects. Diablo's new saw blade series has a modified triple chip tooth grind design, Perma-SHIELD non-stick coating, and specific TiCo Hi-Density carbide to deliver more efficient and cleaner cuts with no swirl marks, less "gumming" of blade teeth and longer cutting life.