6PCS Universal RUNCCI Tire Valve Stem Extension Adapter, successfully solve the following problem: you can't use your floor pump to check tire pressure or inflate the tire due to lack of space between the valve and the spokes of the wheel. size: 45 degree length: approx. 3.5 cm / 1.4 inch 90 degree length: approx. 4cm / 1.6 inch 135 degree length: approx. 5.5 cm / 2.2 inch Material: nickel plated copper Color: silver Quantity: 6 pieces Features: Made of brass (chrome surface) and comes with a metal dust cover, strong and durable. The bottom of the extension rotates freely for easy installation. The adapter screws onto your tire valve and allows you to easily check and inflate your dual tires. Increased life of the original tire valve screw. This universal extension will fit all passenger cars, light and heavy trucks, motorcycles and recreational vehicles with standard tire valves. When screwing the valve extender onto the tire valve, there is a short hiss (2 or 3 seconds) before