DeWalt Extended Perfomance Cup Grinding Wh *Sub Brand: Extended Perfomance *Diameter: 7 in. *Thickness: 1.5 in. thick *Arbor Size: 5/8 in. *Material: Diamond *Product Type: Cup Grinding Wheel *Maximum Speed: 8600 rpm *Number in Package: 1 pc. *Packaging Type: Clamshell *Compatibility: Angle Grinders *Double row*General purpose masonry grinding *High diamondconcentration for long life and aggressive material removal *Large grinding segments with heat treated steel bodies which provide increased durability and wheel life