BLU20 Cimex Blue Quick Diamond Blades (set of 3) for 19 inch Cimex Machines Concrete Grinding andThe BLU20 Cimex Blue Quick Diamond Blades are designed for professional concrete grinding and floor care. These blades are used with 19 inch Cimex machines to efficiently grind, hone, and prepare various hard surfaces. They are suitable for both wet and dry grinding, offering versatility for different job site conditions. These blades are often employed for surface preparation before applying coatings, sealers, or paints, and can also smooth rough