Features 1、[Dual Head Air Chuck] This air chuck with dual head can easily inflate hard to arrive valve, no need to screw chuck onto the valve stem, simply push or pull the chuck onto the valve to achieve a secure seal. 2、[Sturdy Construction] Made of sturdy metal alloy, featuring higher hardness and durability, anti corrosive and wear. Suitable for both commercial and home use. 3、[Extended Rod] The long and sturdy metal body is anti rusty, allowing you to arrive inner wheels without dirtying your hands. Supports maximum air pressure of 300 psi. 4、[1/4 Inch FNPT Thread] Air chuck uses 1/4 inch FNPT to easily connect to air hoses, air compressors, tire inflator pressure gauge for tire inflation and pressure checking. Comes with 1/4 inch male thread quick plug for quick connection to air hose. 5、[Anti Leakage] Sealing type air chuck enables the shut off valve to close the airflow when the valve stem is not open, inflating the tires easily and quickly without leakage. Suitable for trucks, RVs, buses, etc. Specification Item Type: Dual Head Air Chuck Material: Iron, Zinc Alloy Rear Thread Size: 1/4 Inch FNPT Package List 10 x Dual Head Air Chuck 10 x Quick Plug 1 x Water Proof Tape