Dewalt asphalt cutting wheel is high performance silicon carbide grain for long life and high material removal. The high grain concentration provides aggressive, smooth cutting, and the 2 full sheets of thick fiberglass withstand extreme applications and hold up to high speeds. Laser welded segmented. Longer life and sharp cutting. Designed for industrial use. For wet application. D508XL40XT3.6XH5.5+1.5