Check the listing for details. 4" Concrete Grinding Cup Wheel For Concrete Masonry 8 Segments 5/8"-11 Thread. Condition: New. Listed at 28.00 USD. Premium 4 Inch Diamond Cup Wheel for Grinding Concrete and Masonry, Single Row, 5/8"-11 Thread The Super-Plus quality cup grinding wheel offers the best lifetime available on market 4" 4 inch Single Row Cup Wheel Good for removal sealers, thin film coatings, light surface leveling or repair 5/8-7/8 center arbor For wet or dry use. For use on angle grinders Large Grinding segments w/ heat treated steel bodies which provides increases durability and wheel life Free Shipping & Returns: · SAME business day shipping · FREE 30-Day return Contact us: · Should you have any questions, please kindly contact us through eBay messaging service. · Click on the: "ask a seller a question" link on the listing page. · We answer most questions instantly.