Brass inflation head: Made of solid brass and chrome plated, it has higher durability and corrosion resistance, with silver clips. Excellent design, smooth and clean surface. Unique design: compact design, integrated rubber ring to prevent air leakage, even if the tire valve is not opened, the air flow can also impact through the chuck. Easy to install: Easy to use, press the clamp and push and turn the pneumatic valve chuck in the valve stem until it is tightened. Release the clip when the tire is in good condition. Widely used: applicable to all types of vehicle tyres. It is not only used to inflate tires of various bicycles, motorcycles, cars, buses, trucks and wheelchairs, but also used to connect inflators and compressors. Package content: 1 universal air pump valve connector, size (approximate): length: 50mm/1.96 inch, opening: 0.8cm/0.31 inch. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.