The advantages of our Valve Adapter:1. Include comes with 5 x presta to schrader adapter,5 x presta valve caps,5 x schrader valve caps (Car Adapt) in total. Nice combination and enough quantity can meet your actual needs.2. Easy install and tighten the presta valve adapter, Convert a presta valve to a schrader valve.then you can inflate the tire without tools, lightweight, convenient for carrying and storing.Prevent leakage, dirt and rain water to extend the service life of bike tires.3. Designed with Solid Brass with rubber o-ring seal that with threads,corrosion-resistant and not easily broken and nicely prevent air leaks. And its nice sealing characteristics make it easier for you to inflate the tire, which can save your time and effort. 4. Best bike tire valve converter set is appropriate for diverse bicycles, mountain bike, road bike, folding bike, especially for most mountain bikes. and so on.100% Brand new and high quality.Valve adapter: Solid Brass with rubber o-ring sealSchrader valve cap: plasticColor: gold + blackQuantity: 15 pcsPackage includes:5 x Presta to schrader adapter5 x Presta valve caps5 x Schrader valve caps (Car Adapt)Note:1. Manual measuring, please allow 1 ~ 3mm error2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.3.Please do not let children under the age of 10 use alone, and avoid the risk of swallowing.