High Speed Mason Concrete Cutting Wheel is manufactured from a top performance, silicon carbide grain providing long life and quick material removal combined with two full sheets of thicker fiberglass withstanding extreme applications and fast speeds. Features a high grain concentration ensuring an aggressive cutting action and smoother running wheels. Product contains a 14" x 1/8" x 20 mm arbor | DEWALT 14" x 1/8" C24P Abrasive Concrete/Masonry Cutting Wheel DW8025