For RV owners, the RV extension is a must-have accessory. It simplifies the process of checking and inflating your RV's tires, which can often be difficult to access. By extending the stem, this product allows you to easily connect your air pump or pressure gauge, ensuring your tires are properly inflated for safe and efficient travel. Installation is quick and easy, requiring no special tools. Features -Color:Golden -Material:Copper -Size:4.50X4.50X1.00cm/1.77X1.77X0.39in -Quick extension: quickly extend your tire , simplifying the process of inflating tires -Universal compatibility: this tire extender is designed to work with a variety of tire types, making it a versatile tool -Sturdy material: crafted from durable materials, this extender is designed to last and resist wear and tear -Easy installation: with an included inflation and pump connector, this product is easy to install and use -Versatile application: ideal for use with car tires, bicycle tires, motorcycle tires, and more, offering application possibilities Package list: 4 stem extension rods