Product Features:[Extended Dual Head Design]: Two chucks cater to inner and outer wheels - straight foot for inner wheels and 30° reverse chuck for outer wheels. Ideal for inflating truck, RV, and bus inner duals with its 9" overall length.[High-Quality Construction]: Crafted with a high-quality alloy steel body and a zinc alloy air nozzle. The standard quick plug is also made with solid zinc alloy, ensuring durability for both business and household use.[Ergonomic Rubber Grip]: Designed with an ergonomic rubber grip for comfortable and non-slip inflating operations, providing a pleasant user experience.[Dual Head Inner Thread Design]: Both ends lock on valve core threads to help to make hands free during inflating Push the air chuck on the valve stem firmly and lean it slightly to lock it onto the valve stem. When inflating, align it back straight to the valve stem and pull it off.[Closed-Flow/Sealing Type]: The closed-flow air chuck allows air flow when engaged with valve cores and shuts off air flow when not linked. Widely applicable and convenient for various compressed air line uses.[Universal Connectivity]: Equipped with a 1/4FNPT to fit most inflators, air pumps, and compressor accessories. The quick plug makes it easy to connect with quick couplers, ensuring versatility in usage.Product Specification:Type: Air ChuckMaterial: Alloy Steel+Zinc AlloyColor: SilverPackage Included:2 x Air Chuck2 x 1/4" FNPT threadStainless Steel