Crack Chaser Blades are specifically engineered to efficiently clean out and repair cracks and/or imperfections on a wide range of concrete and 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 crack saws for cutting green concrete, block, concrete, hard concrete, pavers, stone and their grout/mortar joints. Use wet or dry.