From automobiles to decks, and anywhere in between, cleaning is a breeze with Harper's set of flow-through wash brush heads. Simply attach any standard threaded handle (not included) using the flow-through handle hole and begin cleaning. Includes one 14-inch polyester wash brush head, one 10-inch tri-level wash brush head, one 10-inch polystyrene wash brush head, and one 10-inch premium nylon wash brush head.