L SEGMENT The L-SEGMENT CUP WHEEL'S design aggressively cuts through concrete and field stone. The L-Segment blade runs extremely cool providing up to 50% FASTER SPEED and LONGER LIFE than standard cup wheels. Simply the best cup wheel you can buy for grinding concrete, terrazzo and similar surfaces. Use WET or DRY on most hand-held electric or air grinders. Available in 4" - 7" and comes only with a 5/8"-7/8" arbor. Features: L-SEGMENT DESIGN - provides aggressive cutting action 5MM SEGMENT HEIGHT - long life performance VENTING HOLES - reduces core heat extending bade life AVAILABLE ARBOR: 7/8"-5/8" For Use with Grinder Flanges Usage: CONCRETE, FIELD STONES DIAMETER     SEGMENTS       SEG. HEIGHT        ARBOR        4-1/2"               L-Style                    5 mm                  7/8"-5/8