Black & Decker™ Dust Shield is designed for DeWalt® 7", 9", 7/9" large angle grinders, 7/9" large angle sanders, 12" cut off machines, chop saws, 7/9" VS polisher, VS polisher soft start and 7" 8500 RPM, 9" 6500 RPM 4 hp, 9" 6500 RPM, 7" 8500 RPM 4.7 hp, 7" 8500 RPM, 9" 6500 RPM 4.9 hp angle grinder with no lock.