SPEED DEMON - SUPER PREMIUM The SPEED DEMON blade is a high quality general purpose blade with a HIGH DIAMOND CONCENTRATION and special design providing very FAST cutting action. The blade features include UNDERCUT PROTECTION preventing the loss of segments and extending blade life. General Purpose Use: CONCRETE, HARD CONCRETE, GREEN CONCRETE, BRICK, BLOCK, PAVERS, CLAY PAVERS, NATURAL STONE DIAMETER     RIM THICKNESS    SEG. HEIGHT        ARBOR      12"                       .125                             10 mm                 1"-20mm