Features: The dual chuck air tire-head has a protective chrome-plated metal body and the head is made of-tough impact-resistant abs material. The dual chuck air tire-head is a great tool for garages at home-and the repair shop to keep tires primed-and ready! Both lock on air chuck and dual head tire chuck featured a 1/4inch-npt female thread for easily connect to air fittings-or tire inflator gauges for tire inflation. Multifunctional tire chuck kit: This tire chuck kit is designed to inflate dually truck,car, suv, motorcycles, bicycles (with-valve) etc. Inflate tires directly with a push-in chuck design; no need to thread the chuck onto valves stems. Just push the chuck onto the-valve for a strong seal. Specifications: Material:Zinc Alloy Length:Approx.23cm/9.05inch Length:Approx.15.5cm/6.1inch Package Includes: 1x Dual-Air Tyre Chuck Head 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.