The KNOT WIRE CUP BRUSH features a 2-3/4 inch diameter and a 5/8"-11 thread size, making it ideal for use with angle grinders and other power tools. Constructed with .020" wire, it is engineered for robust cleaning and surface conditioning applications, effectively removing rust, scale, and paint from various materials. This versatile brush is perfect for industrial and automotive settings where efficiency and durability are paramount. Enhance your surface finishing processes with this reliable tool.