SINGLE ROW Our SINGLE ROW CUP WHEELS offer great value and performance for your grinding applications. The single row diamond cup wheels are the used for concrete surface preparation and tilt wall finishing. Also perfect for fast grinding and rough de-burring. Ideal for the contractor that is concerned with upfront costs. Use wet or dry on most hand-held electric or air grinders. Features: 5MM SEGMENT HEIGHT - long life performance VENTING HOLES - reduces core heat extending bade life AVAILABLE IN 2 ARBOR DIMENIONS: 7/8"-5/8" For Use with Grinder Flanges 5/8-11 Threaded - No Flanges, Threads Directly on the Grinder Usage: CONCRETE, FIELD STONES DIAMETER     SEGMENTS    SEG. HEIGHT        ARBOR       4"                 single row              5mm                  5/8"-11 Thr