These heavy-duty Zimpty concrete grinding wheels are designed for tough jobs like removing paint, epoxy, mastic and coatings from concrete surfaces. Featuring 14 turbo diamond segments, these wheels can grind through tough materials quickly and smoothly. The durable 5/8-11 arbor ensures steady power transfer from grinders and hand polishers for consistent, controllable grinding. Whether you need to prep old concrete for recoating or smooth out imperfections, these wheels will get the job done efficiently without damage to the concrete below. At only 4.5 inches, they are compact for working in tight spaces yet robust enough for large commercial areas. Cleanup is simple - just sweep or vacuum away dust for a clean, prepped surface every time.