Crack Chasers Blades are brazed and specifically engineered to efficiently clean out and repair cracks and/or imperfections on a wide range of masonry surfaces. Crack Chaser Blades feature a V-shaped segment design with diamond embedded wedges for incredible cutting speed and exceptional blade life. Crack Chaser Blades are used with angle grinders, circular saws and tuck pointers for cutting green concrete, block, concrete, hard concrete, pavers and stone. Dry and wet use.