About Items: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, jeep, 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 systems.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:10/30/50Pcs * Schrader valve cores