Product: Tire Valve Adapter & Valve Stem Extenders (silver metal) Key benefits Easy inflation and deflation: Built-in valve core lets you inflate or release air without removing the core, saving time and preventing air loss during service. Secure, leak-resistant seal: Metal cap and precision threads provide excellent sealing capacity for reliable tire pressure maintenance. Broad compatibility: Adapter screws onto most common valve stems, making it suitable for a wide range of vehicles and bike tires. Durable construction: Metal, silver-finish components resist wear and provide long service life under regular use. What it does Serves as a tire valve adapter and valve stem extender that attaches to most valves to extend reach and simplify access. Built-in core supports both inflation and deflation operations through the extender, eliminating the need to repeatedly access recessed or hard-to-reach valve stems. Metal cap protects the valve and contributes to a tight seal to reduce leaks. Features at a glance Function: Valve adapter and stem extender for inflation/deflation with built-in core Compatibility: Fits most valve stems and bike tires; suitable for single and dual-wheel applications Finish/material: Silver metal construction with metal protective cap Performance: Secure sealing, durable, and straightforward to install and use Typical use scenarios Dual-wheel vehicles: Extend and access valve stems on dual-wheel setups where the inner valve is hard to reach; allows safe inflation/deflation without removing tire hardware. Bicycles and motorbikes: Adapt and extend recessed or low-profile bike valve stems for easier pump attachment and more accurate pressure checks. Trailers and equipment with recessed valves: Provide added reach and a protective cap for valves located behind wheel covers or deep pockets. Simple installation and use Screw the adapter onto the existing valve stem until hand-tight. Attach air hose or pump to the adapter; the built-in core permits inflation and deflation without removing the valve core. Cap the valve when finished to protect the stem and maintain the seal. This valve stem adapter and extender provides a practical, durable solution for accessing and protecting valve stems on bikes, dual-wheel vehicles, and other applications where reach, sealing, and ease of inflation matter.