Dual Wheel Flexible Valve Extensions Provides easy access to the inner dual tire found on campers,recreational vehicles and trucks.Fits standard valve cap threads.comes with clamp to secure extension to wheel cut-out. Flexible Braided Wire/Textile Rubber Hose Extensions Extensions screw onto the inner valve stem and come out thru the outside wheel and, depending on type, they fasten under lug nut or clamp onto the rim. FLEXIBLE BRAIDED WIRE EXTENSIONS---RIGID TYPE LARGE BORE VALVES FLEXIBLE EXTENSIONS--RUBBER HOSE Flexible Extensions With Stainless-Braided Nylon(PTFE)Hose & Stabilizer, Fits Long Valve Cores With Stainless-Spring Hose Flexible Extensions With Stainless-Braided Nylon(PTFE) & Brackets Truck & Bus Valve Bent Metal Extensions Inner Dual Valve Extension & Stabilizer Kit-AirPlus Four Hose Dual Wheel Valve Stem Extensions With Brackets-AirMax