Cat® Asphalt - Abrasive blades are designed for intensive use across the 3 performance grades: Good, Better, and Best. A true warrior product able to cut virtually everything in its path.Attributes:• High Diamond concentration and diamond quality• Undercut protection segments to clear debris• Fully hardened and heat-treated steel core• Long life, good speed of cut, and widest application span• Keyhole gullet design for dust extraction from cut