Features: This M6 thread specification inflator tube made of high-quality metal, this inflator tube is durable and long-lasting, ensuring that you won't have to replace it frequently. The air pump extension hose is-an extension of the tire-valve, making the tire inflation process easier. The air pump extension tube can quickly connect and disconnect the tire nozzle, thus ensuring that the air pressure in the tire will not leak when the tire is-inflated and disconnected. The air pump extension tube is-made of durable materials, resistant to wear and deformation, and the hose is-not easy to break. The main application scope of the pneumatic chuck: tire inflation of car, bicycles and motorcycles. Specifications: Material:Metal Pipe Length:Approx.16cm/6.29inch Pipe Length:Approx.20cm/7.87inch Pipe Length:Approx.30cm/11.81inch Pipe Length:Approx.60cm/23.62inch Pipe Length:Approx.100cm/39.37inch Only used for M6 thread specification connection. Package Includes: 1x Air Pump Extension Tube 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.