DEWALT DW4759 Grinding Wheel, Applicable Materials: Masonry, 7 in Dia, 1/4 in Thick, 5/8-11 in Arbor, 24 Grit

Powered by a high concentration of 100% virgin silicon carbide grain, DeWALT-type 27 masonry grinding wheels deliver aggressive grinding action and smooth-running wheels. 3 full sheets of fiberglass help to increase durability and safety. A proprietary design ensures long wheel life.