The dual action carpet brush, a 3.5" diameter, is a versatile tool designed for removing and cleaning deep stains from various surfaces, including carpet and upholstery. Crafted from 100% polypropylene durable bristles, it works against corrosive chemicals, which is ideal for use on tires, floor mats, and rubber, and provides a superior deep-clean experience. The brush can be conveniently attached to an existing DA polisher with the 5/16 steel shaft, enhancing its usability and efficiency in detailing tasks