The KNOTTED WIRE END BRUSH features a 1-inch diameter and a 0.02-inch wire thickness, mounted on a 1/4-inch shank for compatibility with various tools. This robust brush is designed for heavy-duty surface conditioning, effectively removing rust, scale, and other contaminants from metal surfaces. Its knotted wire construction provides enhanced durability and cleaning power, making it suitable for industrial applications and maintenance tasks. Ideal for professionals seeking reliable performance in demanding environments.