Features:1. Tire inflation nozzle: all copper material, tail insert 6.5mm, threaded screw type, good sealing.2. Surface treatment: the use of pure copper speed nozzle, the surface is cleaned by a new process, beautiful and shiny, no stains.3. Anti-skid design: wilting knurling design, better anti-slip, screw up and not slip.4. Rubber washer: one internal rubber gasket, waterproof and leakproof.5. Easy to install: These bike adapters are very lightweight and can be left on the Presta valve. If you use a compressor to inflate the tires, you save time and do not need to remove the adapter.Descriptions:1. Various uses: a variety of different specifications of valves, suitable for a variety of purposes, bicycles, basketball, inflatable toys.2. Compact and portable: portable, compact and lightweight, stored in a convenient carrying case, easy to carry, small bag space, easy to carry and use.Specifications:Material: pure copperSize: 36*9.4mmColor: goldPackage Included:1 x Pure copper gas nozzleNotes:1. Due to the difference between different monitors, the picture may not reflect the current color of the item. We guarantee the style is the same as shown in the pictures.2. Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!