DEWALT DW4524 4-1/2-Inch by 1/4-Inch by 7/8-Inch Concrete/Masonry Grinding Wheel

For use with grinders. 1/4" blade thickness, Type 27, A24R grit is designed for grinding For use with grinders. 1/4" blade thickness, C24R grit is designed for grinding concrete, masonry, cast iron, ductile iron, and other masonry materials.