3 shape of brushes clean your bathtub, grout, upholstery, bathroom surface, floor, tile, shower, toilet and carpet etc, Nylon bristles will not scratch surfaces of them.
Extended reach attachment help brush to clean the tight spaces or hard-to-reach areas such like stove grates, drip pans, crevices, car etc
Bruehes and Extended reach attachment fit into most of the cordless drills, such as Dewalt, Bosch and Makita etc.