Premium Quality: Made of solid brass and chrome for added durability and corrosion resistance with silver clips Well designed with a smooth and clean surface. Precise design: strong spring clamp gives quick and precise sealing, integrated apron prevents air leaks, pressure up to 25 kg. Easy to attach and remove : Suitable for 8mm diameter pore hose, 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 do Turn the air valve liner into the valve stem until it is snug. Occasions: Ideal for accessing all types of vehicle tires. Suitable for air pumps, 4S workshops, tire shops, garages and industrial air duct systems. Size ( approx): Length: 50 mm / 1.96 inch Aperture: 0.8 cm / 0.31 inches. Package includes 2 pieces of universal air pump valve connector. Good quality product