Practical and durable: the chuck is made of quality brass, strong and durable to use, 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 flow design: the open flow straight tire chuck with is designed for slowly inflating, with a valve inside, and the open flow design allows to flow even when not engaged to a valve stem Connector type: the brass chuck is suitable for 1/4inch female NPT, 3/4inch hexagon, installation, suitable for most tire inflators, wheel pressure gauges, compressors, etc. the tyre chuck head is suitable for the inflation nozzles of most vehicles Locking clamp: when using an chuck to inflate the tire or measure the pressure, you use the locking to fix the chuck to the valve stem to a seal, easy to fix, simple to operate, and convenient to use, widely applicable in your life Sufficient quantity: there are 6 pieces chucks in , and sufficient quantity can meet most of your needs, suitable for trucks, buses, , bicycles and motorcycles, bring more convenience in your life Colour: silver+copper color Material: brass Package Contents: 6 x Brass 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.