- Extension valve tire extension tube: simplifies inflating dual wheel tire inner tubes and air nozzles; includes RV dump valve extension tube for versatile use. - Flexible connection hose: compatible with multiple vehicle models; connects to different air nozzles, tire valve stems, and valve stem extenders kit. - User-friendly extension: quickly attaches to dual wheel tire inner tubes and air nozzles to enable easy inflation; serves as connector and valve lapping tool. - Convenient rod length: rod is designed for comfortable use without bending or kneeling; compatible with tire valve stem extender and tire valve extensions. - Durable construction and reliable performance for regular use across different setups and vehicles. - Use scenarios: - Inflate dual-wheel tires on RVs, travel trailers, and other heavy trailers where access is tight. - Service trucks, tractors, and heavy equipment with dual wheels from a standing position using various air sources. - Roadside assistance or shop use to connect to different air pumps and valve configurations quickly and accurately.