Features 1. Extended Dual-Head Design: Two chucks are suitable for inner wheels and outer wheels respectively - straight feet are suitable for inner wheels, and 30 reverse chucks are suitable for outer wheels. 9-inch overall length, perfect for inflating truck, RV and bus inner tubes. 2. High-quality Construction: Made of high-quality alloy steel body and zinc alloy air nozzle. The standard quick plug is also made of solid zinc alloy to ensure durability for commercial and home use. Ergonomic Rubber Grip: With ergonomic rubber grip design, the inflation operation is comfortable and non-slip, providing a pleasant user experience. 3. Dual-Head Internal Thread Design: Both ends lock on the valve core threads, which helps to free your hands during inflation. Push the air chuck firmly onto the valve stem and tilt it slightly to lock it on the valve stem. When inflating, align it directly with the valve stem and pull it out. 4. Closed-Flow/Seal Type: The closed-flow air chuck allows airflow when it is engaged with the valve core and closes the airflow when it is not connected. Widely applicable, convenient for use with various compressed air pipelines. 5. Universal Connection: Equipped with 1/4FNPT, suitable for most inflators, air pumps and compressor accessories. The quick plug can be easily connected with the quick connector to ensure versatile use. Specification Style: American regulations, European regulations Type: Pneumatic Chuck Material: Alloy Steel + Zinc Alloy Color: Silver Size: 20 x 15 x 2 cm Weight: 140 g Package Included: 1/2 x Pneumatic Chuck 1/2 x 1/4" FNPT Thread Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia