For removing rust from metal surfaces and for light sanding jobs. Also for working with holes and round edges 4 in. diameter9000 maximum rotation per minuteExtra coarse wire5/8 in. to 11 in. arborFor all 7 in. and 9 in. angle grinders with 5/8 in. x 11 in. threaded spindleRemoves rust, scale, paint, dirt and corrosion for painting, welding and soldering