Features: Air passes through freely and work without a for valve core. Compatible for w/ schrader valves. Upgraded heavy duty brass air chuck make it easier locking onto stem valves - no air leakage ever since. When use the air chuck to inflate a tire or measure pressure, please use the lock-on clip to secure the chuck to the for valve stem for sealing. 1/4" female NPT, compatible for w/ most tire inflator, wheel pressure gauge and compressor. Straight chuck tip is suitable for all vehicles. If you have questions,please contact us. Specifications: Material: Brass Item Weight：4.2 ounces Package Dimensions ：4.4 x 1.9 x 0.7 inches Package Includes: 1 Pcs Brass Air Chuck. note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!