DEWALT Diamond 7-in Cup WheelHigh diamond concentration for long life and aggressive material removal Large grinding segments with heat treated steel bodies which provides increases durability and wheel life Dry grinding of concrete and other masonry materials Smoothing of uneven surfaces Features Sub Brand N A Series Name N A Application Grinding Material Diamond Type N A Wheel Type Cup wheel Grit N A Diameter (Inches) 7 Thickness (Inches) 1. 8125 Arbor Diameter 5 8 in For Use