Crack Chaser Blades for Concrete, Asphalt Repair 4 to 8 ...
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. Diamond Grit Size and Bond: #30/40 with medium bonding formula Equipment: Angle grinders / Crack Chaser Saw Grinding .