SPEEDY BLUE BLASTER The SPEEDY BLUE BLASTER delivers incredible cutting speed with a wide U GULLET design and high number of diamond segments. Our blade has 12MM SEGMENTS providing a nice blend of life and speed. Fast speeds make this a great companion tool for restoration contractors looking for higher productivity. Use these blades once and you'll be hooked! Blade Features: 12MM SEGMENTS - up to 40% more life over standard blades COOLING HOLES - removes core heat extending blade life HIGH DIAMOND CONCENTRATION - aggressive cutting action Usage MORTAR REMOVAL, CONCRETE Quality Level: SUPER PREMIUM DIAMETER     RIM THICKNESS    SEG. HEIGHT        ARBOR        4"                        .250                      12 mm                  7/8"-5/8"