1. Package Content You will receive two versatile valve stem extension adapters designed to address various tire pressure issues. These valve stem extensions are ideal for roadside use, workshops, or professional mechanics. 2. Size Our bike tire adapter measures approximately 10cm in length, with a thin end diameter of 7mm and a thick end diameter of 10mm. It easily connects to most standard US tire valves and is compatible with cars, trucks, motorcycles, bicycles, and trailers. 3. Quality Materials The tire valve extensions are crafted from rubber and brass, ensuring durability. The reinforced inner structure enhances longevity compared to standard extensions, making it a valuable addition to your maintenance toolkit. 4. Easy to Use Simply screw the motorcycle tool tube onto your existing valve stem—no tools required. The flexible rubber and brass construction allows the tire valve stem tool to bend to any angle, enabling quick extension and removal of the front or rear valve when finished.