The CS Unitec PTX Bristle Wheel is a versatile metal grinder tool attachment featuring an elastic nylon brush design. With a 4" diameter and 2-7/8" width, this wheel brush is suitable for various power tool and air tool accessories. The multi-color design and durable metal material make it a reliable option for removing rust, paint, or debris from metal surfaces. This package includes one wheel brush, perfect for a range of home and garden projects requiring efficient and effective cleaning and grinding.