Black & Decker™ Clamp Nut is designed for large angle grinder, 7" guard, guard kit, 9" guard kit, 7" and 9" angle grinder, 7" and 9" wheel guard kit, compact angle grinder, 7" guard assembly, M/S 7/9" heavy-duty grinder and DeWalt® 6500 RPM, 6600 RPM, 8000 RPM and 8500 RPM large angle grinders, sander/grinder, 7" large angle grinder.