Crack Chasing Blades are brazed and designed specifically to clean out and widen a crack and get it ready for repair on a wide range of surfaces and most other building materials. These Crack Chaser Blades have a Supreme V-Shaped diamond segment with premium diamond embedded into it for incredible cutting speed and a longer blade life. These blades are used with 5/8-11 threaded grinders, angle grinders, circular saws, and tuck pointers for cutting concrete, green concrete, block, hard concrete, pavers and most stones. This blade can be used Dry or Wet use.