Diablo's TrexBlade is the only recommended composite decking by Trex company when cutting 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.