About It:1.Durable - Nickel plating valve stem core can effectively prevent rust and corrosion, so it is more durable. This is a proce upgrade to the traditional copper valve core that is easy to rust.2.Eential Tool: Whether in your journey or in your garage, the car spare valve stem core can play a huge role. Similarly, it can be used in the car repair shop for the customers.3.Widely Application: Valve core for ATV tire, truck, car, RV, lawn mower, motorcycle, , bicycle, electric cars, etc. In fact, it is suitable for most vehicle tires, and Schrader valve cores are also used in many refrigeration and air conditioning syst.4.High Quality - 100% leakage tested, Maximum working preure is 300PSI, Schrader valve core giving you a safe tire system, a worry-free journey.Features:Material: Copper, Nickel-PlatedColor: Gold, SilverSize: 1.71*0.51cm/0.75*0.2inDesigned with a seal attached to a movable, spring-loaded pin that allows preurized air to pa when inflating a tire.Accepts working air preure up to 300 PSI.Designed for use in any car, truck, motorcycle, bicycle, ATV along with any other vehicle that utilizes tires.Package include:10/30/Pcs * Schrader valve cores