Copper Valve Core Car Motorcycle Bike Tire Valve Core American/US Vacuum Tyre Valve Stems Core Remover Bicycle Auto Accessories. Features: Durable - Nickel plating valve stem core can effectively prevent rust and corrosion, so it is more durable. Essential Tool: Whether in your journey or in your garage, the car spare valve stem core can play a huge role. Widely Application: Valve core for ATV tire, truck, car, RV, lawn mower, motorcycle, jeep, bicycle, electric cars, etc. High Quality - 100% leakage tested, Maximum working pressure is 300PSI, Schrader valve core giving you a safe tire system, a worry-free journey. Specifications: Material: Copper, Color: Gold, Size: As picture shows. Designed with a seal attached to a movable, spring-loaded pin that allows pressurized air to pass when inflating a tire. Accepts working air pressure up to 300 PSI. Designed for use in any car, truck, motorcycle, bicycle, ATV along with any other vehicle that utilizes tires. Package include: 1/4/8/20/30/40/50/60/80/100pcs * Schrader valve cores. If choose the option of quantity more than 20pcs, will gift 4pcs universal tire valve stem caps.