Leak-free air chuck: Air chuck with clip adapter simply press the locking clip, push or twist the air chuck into the valve stem until tight, release the lock clip, no other tools are needed, very convenient and practical. The tire inflator chuck gives you a great seal on the tire valve and is a great air inflator hose adapter accessory. Universal mounting accessory: one end design 8mm bore makes it the perfect choice for hose repairs and compatible with 8mm bore hose which is suitable for a multitude of vehicle tire inflators, such as bicycles, motorcycles, car tires, etc. . Premium Material: The wheel chucks are made of sturdy solid brass for greater strength and durability. The high quality material also has excellent corrosion resistance and wear resistance but the maximum pressure is up to 250 psi. Easy to use: no additional tools required, plug in a open flow air chuck into the hose and hook it to the valve stem and it is easy to lower and strong enough to stay in place. It can attach ordinary quick connectors to inflate. Note: Metal tire chuck, portable tire inflator chuck adapter, for bicycle, motorcycle, car. Please make sure this is the correct application of the inflation hose adapter before ordering.