DeWALT® Depressed Center Wheel, 4-1/2 in Wheel Diameter, 1/4 in Wheel Thickness, 7/8 in Center Hole, Arbor Connector, C24R Grit, Extra Coarse Grade, Silicon Carbide Abrasive, Wheel Type Number: Type 27, 13300 rpm Maximum, Applicable Materials: Concrete and Masonry, Wheel Hardness: R, Black/Yellow Wheel, Specifications Met: ANSI B7.1

ITEM FEATURES:

• Softer formulation for faster grinding in harder materials
• 3 full sheets of fiberglass for added durability and safety