Engineered for demanding cleaning tasks, this knot wire end brush from Anchor Brand is designed to tackle tough jobs in recessed areas with precision. Constructed from durable carbon steel, it features a rugged knot-style design that delivers aggressive, high-impact brushing action, making it ideal for use with grinders and power drills. With a brush diameter of 3/4 inches and a trim length of 7/8 inches, this stem-mounted tool is capable of achieving speeds up to 22,000 RPM, ensuring efficient performance for various applications. Please note that this product may expose users to chemicals known to the State of California to cause cancer and reproductive harm, so appropriate safety measures should be taken.