EDiamondTools Crack Chaser Blade for Concrete Asphalt Repair

Designed for routing and repair random cracks in cured concrete, asphalt and other building materials. Also used for decorative scoring and joint widen in masonry. #30/40 diamond grit with medium bonding formula. 1/4″ crack width and 5/8″-11 threaded arbor size. Use with angle grinders or crack chaser saws and either wet or dry.