Be used on angle grinders, crack chaser blade is used for concrete/stone crack chasing. It can clean out and repair/widen cracks or imperfections on a wide range of masonry surfaces and concrete floors. This blade is usually used for dry cutting, so it is necessary to work together with a vacuum. The size range is commonly from 4 inches to 7 inches, and the technology can be high-frequency welding or laser welding. Different bonds suit different hardness of concrete. Sunny Superhard Tools offers you the high-quality V-shaped crack chaser blade and tuck point blade, with various excellent bonds(like a soft bond, hard bond, etc.). 100mm crack chaser blade for repairing concrete cracks The V-shaped trace ensures the best possible quality of the repair Various excellent bonds to fit your masonry surface or concrete floors The thickness of segments can be customized upon your requirements SAFETY TIPS:  Whenever you are using a diamond saw blade for cutting projects, for keeping safety, please be careful and make sure that your body is fully protected. Safety is the first thing you should concern when doing cutting works.  100mm V shaped