Features: Heavy-duty copper construction for strength and durability. With the precise design, air does not leak out of the chuck when not connected. Durable and resistance to corrosion, easy cleanup, and good looks. Can be the fixed regular fast connector to inflate. Be fixed to fast valve connector to inflate along with air pump. Air passes through freely and works without a-valve core. Easy to operate, plugs open flow air chuck into the hose and hooks it to the valve stem. Suitable for inflating tires of car, motorcycles and electric car. Specifications: Material:Nickel Plating Steel Length:Approx.6.68cm/2.62inch Package Includes: 1x Connector Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.