Specification: Material: Brass/Metal Color: Gold Tone,Silver Tone Tire Chuck Outer Diameter: 12.5mm / 0.49" Diameter: 8mm-5/16" Size: 40x16x12mm / 1.57"x0.62"x0.47"(L*W*H) Thread seal tape roll Feature: Function: Connection the tire valve to inflate the tire. Thumb press to lock, thumb-press tire chuck, easy and quick hands-free inflation. Premium Tire Chuck Clip: Each air chuck is made of heavy duty solid brass for higher strength and durability. High quality material also has excellent anti-corrosion, wear resistance yet the maximum pressure is up to 250 PSI. Connect the tail end of the diameter 1/4" NPT thread inflating head product to the rubber hose of the inflating pump, and the inflating chuck mouth can be inflated. Easy To Operate: Just press down locking clip, push or twist the air chuck into the valve stem until it is clamped, release the lock clip, no other tool is required, very practical and convenient. The tire inflator tire chuck gives you a great seal on the tire valve, it is great Air Inflator Hose Adapter accessory. Air Inflator Hose Adapter suitable for bike, motorcycle, car tire fill. Note: Please allow 1-2 mm difference due to manual measurement. Make sure this is the correct application type of tire chuck before placing order. Package Include: 1 x Tire Chuck 1 x Thread seal tape roll 1 x Storage box