Premium Brass: The inflator air chunk is made of solid brass and chrome plating for higher durability and resistance to corrosion. Well-engineered with clean smooth surface Lock on Clip: When use the air chuck to inflate a tire or measure pressure, please use the lock-on clip to secure the chuck to the valve stem for sealing. Easy to Use: Press down the lock clip, push or twist the air chuck into the valve stem until it is clamped, release the lock clip Wide Application: Suitable for trucks, buses, cars, bicycles and motorcycles, bring more convenience in your life After-Sale Service: Thanks for your purchase. If you have any problem, please contact us any time. We promise you the solutions within 24 hours., Manufacturer: MiOYOOW