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. Many sizes available CALL for more info.