This premium-quality, vehicle wash brush with a durable polypropylene brush block is ideal for vehicle maintenance. X-Shaped soft polyester bristle fill material enhances the ability of the bristles to carry soap and water. This brush is designed with an oval shaped block and a rubber bumper to protect delicate surfaces. The brush requires either flow-thru handle Flow-Thru Handle #194800 or an ACME Threaded Handle if flow-thru capability is not needed, or can be hand-held.