Superior quality: Made of solid brass and chrome plated for durability and corrosion resistance with silver clips Well-crafted with a smooth, clean surface. Precise Design: Strong spring clip gives quick and precise sealing, the apron integrated prevents air leakage, pressure up to 25 kg. Easy to attach and remove: Suitable for 8mm diameter pore pipe, very suitable for inflating tires effortlessly to attach the tire chuck to the valve stem. Loosen the clip when your tire is inflated, push the clip down, press and twist the air valve liner in the valve stem until snug. Occasions: Ideal for accessing all types of vehicle tires. Suitable for air pumps, 4S workshops, tire shops, garages and industrial air duct systems. Package Contents: 2 Pieces of Universal Air Pump Valve Connector, Size(Approx): Length: 50 mm / 1.96 inch, aperture: 0.8 cm / 0.31 inch. Specification: Material: Brass Size: 5 x 1.8 x 0.8cm / 1.18 x 0.78 x 0.4inch Package includes: 2 x Car Inflatable Quick Connector Features: Chuck tire valve is securely attached to the tire valve without leaking. The main body of the tire valve is made of pure solid brass instead of copper plating, which is durable and corrosion resistant. An open flow with a lockable clamp makes it easy to inflate tires hands-free. With wire design, it is easy to put on and take off; The system is much faster, perfect to adapt to the compressor, it avoids having to screw and unscrew. Tips: Press the clip, push and twist the air valve chuck into the valve stem until tight. 1/4inch ID Hose Barb makes it the choice perfect for pipe repairs Easy to use: 1. Depress the clip, push and twist the air valve chuck into the valve stem until tight. 2. Release the clip when your tire is inflated.