- LockNFlate Locking Air Chuck - Six Steel Jaws Lock onto Any tire Valve - Won't Leak or pop Off - Rated to 150 PSI - Open Flow

I attached this to my Milwaukee inflator with a Lock n’ Flate NPT to schrader adapter and what a difference it makes! Filling tires is so much easier. It opens easily and locks on tight to the schrader valve. It looks and feels very high quality and functions perfectly. I need to order another one for my tire inflator at work. Buy it, you won’t regret it!

Another very well built adapter by this firm. They also make the grease fitting adapters that don’t blow off under pressure. This one works exactly as described, ie, it stays on and it doesn’t leak.

LockNFlate Locking Air Chuck with NOCO AIR20 Review The LockNFlate Locking Air Chuck paired with the NOCO AIR20 is a powerhouse combination for tire inflation. This setup makes inflating tires incredibly efficient and hassle-free, regardless of size or application. I used this duo to inflate the six tires on my 25-foot motorhome to 65 PSI and the 35” tires on my Ford Raptor. The NOCO AIR20 performed flawlessly, allowing me to easily set the desired PSI. It automatically stopped inflating once the set pressure was reached, which is a great convenience. I also noticed the slight overfill of about 0.5 PSI to compensate for any air loss when disconnecting the nozzle—an excellent feature that ensures precision. The LockNFlate Locking Air Chuck was the perfect complement to the NOCO AIR20. Its locking mechanism securely latched onto the valve stem, so I didn’t have to hold it in place, freeing up my hands during inflation. The open-flow design worked seamlessly with the AIR20, delivering consistent airflow without interruptions. The NOCO AIR20 and LockNFlate Locking Air Chuck made tire maintenance a breeze. This combination is ideal for larger tires like motorhomes, trucks, and standard vehicles. This pairing delivers outstanding results if you’re looking for a reliable, user-friendly setup for maintaining tire pressure. Highly recommended for anyone who values precision, convenience, and durability!

Excellent! Stays on. No leaks. I've owned at least 8 different designs of air chucks over the years. I won't guess how many brands. This well-thought-out design is on a whole new level. Goes on easy. Stays on. Doesn't leak. Stays on without leaking. Doesn't come off until you remove it. Even if the hose is moving or pulling sideways, it doesn't leak like the others do. Solidly built. Ergonomic. Quick & easy on, quick & easy off. Did I mention this is the only one that stays on without leaking when you turn your back?

Works pretty good. Gets you on the valve stem quickly but does tend to leak a little air if not perfectly centered and all the way seated. I have multiple different types of air chucks, this one is the best. The jaws could be a little more aggressive in pulling in the valve stem, but not a big deal. I recommend it.

The chuck that came with my tire inflator gauge was just a cheap, standard chuck. It never really grabbed squarely onto my tire valve stems. I had to keep one hand on it pressing inward and I would still get air leaks. This chuck is a little pricy but much better quality. The teeth are chunky, the product itself is chunky. You can feel the stoutness right out of the package. It locks onto your valve stems securely so no need to keep a hand on it. I get more accurate PSI readings on my gauge and a quicker fill-up since there is no air loss. Screwed onto my existing male 1/4" NPT so nothing to complain about. I recommend.

If you want a high quality Air Chuck, this is definitely the one to get. The 6 jaws grab the fill valve tightly and will not fall off. The best. Easy on and easy off with confidence in hold strength.

Works perfectly. This is so much easier than holding the old style air nozzle by hand to pump up a tire. My truck tires take forever to fill up and this makes it way easier on my hands.

I was a little skeptical after trying various other fittings. I use this with my Powertank CO2 system for tyre inflation. Get the OPEN version if using a trigger gauge. This locks on well once you give it a good push on and release the lever. No leaks and fast to attach/detach. I gave the moving parts a bit of motor oil just to smooth the action and reduce any potential wear

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Desde que lo sacas del empaque se nota que los materiales y la construcción son de primer nivel. Este adaptador/mandril/cople para inflar llantas es solo para los pocos que están dispuestos a gastar 50 USD por dicha herramienta. Pero no van a encontrar ningún otro que sirva tan bien como este o que esté tan bien construido, así de simple. Y ahí entenderás que vale cada centavo y que es un pequeño placer cada que lo usas.

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Hard to come by, but a fantastic addition to a tyre inflator such as my Milwaukee. Really helps attaching quickly to the tyre valve. Just remember if buying outside the USA, the thread on the air supply side is NPT.