Specifications: Material: Alloy Color: As Picture Size: 7.3*1.9*3cm / 2.9*0.7*1.2in Thread Size: 1/4" NPT Female Features: MATERIAL: Well made of quality alloy, anti rust and heavy duty, sturdy and durable. 1/4 NPT FEMALE: 1/4” NPT female thread, fits for any hoses with a 1/4" NPT male thread. QUICK CONNECT & LOCK: With a lever for quick installation and lock on your tire valve stem, nice structure for no leakage. EASY TO USE: Great for the tire inflator locking job, convenient and time-saving. EASY TO STORE: 2.9” X 0.7” X 1.2” portable size, easy to carry and easy to store. Notes: .