Milwaukee 4.5" Double Row Cup Wheel delivers exceptional performance with up to 2X faster material removal, making your grinding tasks more efficient. Featuring Milwaukee's unique diamond formula, this cup wheel up to 5X longer life on concrete surfaces. The double-row design increases surface contact, providing better grinding control and a smoother finish. Designed with a vented core, it ensures efficient dust extraction to keep your workspace cleaner. for grinding concrete, leveling surfaces, and removing adhesives, this wheel is versatile for both wet and dry use. It comes equipped with a 5/8"-11 threaded arbor, compatible with most angle grinders. Model Number: 49-93-7754