Profile: Bob Dickman Tire Center deals with tires and accessories. We provide a full line of custom & OEM style wheels for cars, trucks and RVs including cutting edge custom wheel styles & new OEM replacements. We also deal with air pressure tools such as air gauges, air chucks, and air hoses & fittings. The RVA4 air gauge is a commercial quality air gauge with 0-160 psi. It has a 12" rubber hose with a RVA11 air chuck for easy access to inner duals. The RVA7 chuck is 6" long, with NPT female threads. It has lock on feature, and dual foot with one straight forward, & one straight back.