Description Featuring a high grain concentration for aggressive cuts and smooth-running wheels, DEWALT Type 1 Masonry Cutting High Speed Wheels are crafted from 2 full sheets of thick fiberglass to withstand extreme applications and high speeds. A soft formulation delivers fast cuts.PRODUCT DETAILS:Softer Formulation For Faster CuttingHigh grain concentration for aggressive cutting action and smoother running wheels2 full sheets of thicker fiberglass to withstand extreme applications and hold up to high speeds WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov