Sold as each. 7-1/4″ x 4T. PCD tipped – formulated to combat fiber cement for exceptionally long cutting life. Laser cut stabilizer vents – trap noise and vibration and stabilizes the blade for quieter, cleaner cuts and less dust. Unique triple chip grind – designed to maximize life speed and durability in fiber cement. Up to 50% less dust. Manufacturer's number: D0704DH. Country of origin: Italy. Distributed by Freud Usa, Inc.