SUPERIOR QUALITY: Made of solid brass and chrome plated for added durability and corrosion resistance, with silver clips, carefully crafted with a smooth, clean finish. PRECISION DESIGN: Heavy-duty spring clips ensure a quick, precise seal, and the integrated skirt prevents air leaks at pressures up to 25 kg. EASY TO INSTALL AND REMOVE: Fits 8mm diameter hole hoses, ideal for inflating tires and easily attaching tire chucks to valve stems. After the tire is inflated, release the collar, push the collar down, press and rotate the valve ring into the valve stem until it is snug. Used: Ideal for contact with all types of vehicle tires. Suitable for air pumps, 4S workshops, tire shops, garages and industrial air duct systems. Package contents: 2 x Universal Air Pump Valve Connectors, Dimensions (Approx.): Length: 40mm/1.57in, Aperture: 0.8 cm/0.31 inch. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!