Discover this 6 - piece angle grinder wire wheel set, a must - have for your maintenance and manufacturing projects. With a 5/8 in. threaded spindle and a maximum speed of 12500 revolutions per minute, it ensures efficient operation. The wire wheels are made of twisted carbon steel wire, including 0.014 in. rough pressed steel wire and 0.02 in. knotted steel wire, offering excellent durability. This set includes 1 4 in. coarse wire pressing wheel, 1 3 in. coarse wire pressing cup, 2 3 in. knotting wire cups, and 2 4 in. knotting wire wheels. It's perfect for handling various grinding, polishing, and surface treatment tasks. Made of thickened steel, it's great for heavy - duty surface cleaning, removing rust, aged paint, and stubborn dirt without affecting the angle grinder's performance. Compatible with metal, wood, and concrete, it can be used for rust removal, weld cleaning, surface treatment, scratch repair, and paint stripping. It's a versatile accessory that will bring great convenience to your work.