GRANITE AND MARBLE Our STONE CUP WHEELS are designed for de-burring GRANITE and MARBLE and come in FINE, MEDIUM, and COARSE GRIT for your specific application. Use WET or DRY on most hand-held electric or air grinders. Features: TURBO DESIGN - provides aggressive cutting action 5MM SEGMENT HEIGHT - long life performance VENTING HOLES - reduces core heat extending bade life GRIT SELECTION - Medium, Fine, Course ARBOR DIMENIONS: 5/8-11 Threaded - No Flanges, Threads Directly on the Grinder Usage: MARBLE and GRANITE Quality Level: PREMIUM DIAMETER         GRIT           SEG. HEIGHT        ARBOR         4"                 Medium                5 mm                   5/8"-11