Forney 4 In. Twist Knot Angle Grinder Wire Wheel is designed to efficiently clean and blend surfaces, remove light burrs and paint, and prepare materials prior to welding. It is also i for removing weld scale, spatter, and corrosion, making it a versatile tool for metalworking projects. This wire wheel features a 4-inch diameter with twisted and knotted wire style, a wire size of 0.012 inches, and fits an arbor size of 5/8"-11. It is compatible with angle grinders and operates at a maximum speed of 20,000 rpm. Packaged in a convenient clamshell, this product is for professionals and DIY enthusiasts seeking reliable performance in surface preparation and finishing tasks. Model Number: 72759