Practical and durable: the chuck is made of quality , strong and durable to , not easy to deform or damage, and can serve you for a long time, the maximum pressure is up to 250 PSI, which is applied for tire inflators and pressure gauges Open design: the open straight tire chuck with clip is designed for slowly inflating, with a valve inside, and the open design allows to even when not engaged to a valve stem Connector type: the chuck is suitable for 1/4inch female NPT, 3/4inch , installation, suitable for tire inflators, pressure gauges, compressors, etc. the tyre chuck head is suitable for the nozzles of vehicles Locking : when using an chuck to inflate the tire or measure the pressure, you the locking clip to fix the chuck to the valve stem to a seal, easy to fix, simple to operate, and convenient to , widely applicable in your life Sufficient : there are 6 pieces chucks in , and sufficient can meet of your needs, suitable for trucks, buses, , bicycles and motorcycles, bring more convenience in your life Colour: silver+copper color Material: Package Contents: 6 x Chuck Note: Due to different production batches, product colors and pictures may be different Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.