S2-Series

This item works great when inflating tires. Fastens easily and removing from stem. Small and compact.

Perfect, locks right onto the valve stem without any hissing of lost air.

I am an old guy and stooping down and or kneeling is not fun for me. I had the kind where you hold down a lever, push it on, and then let go of the lever expecting it to hold it on the valve stem. If you are reading this, you probably know how well that works. A while ago I stumbled on one where you screw it on the valve stem. I eagerly bought it. At first it seemed great. It doesn't leak or come off. The problem is that the threads have to be aligned perfectly or it won't screw on. It took more bending and kneeling than my original one to get it on. Maybe a different brand would be better, I don't know, but there don't seem to be that many of that kind available. I really didn't want to spend this much, and I really don't need two, but I am glad I did. It really works amazingly well. Just push it on and it locks automatically. When you are done, push the little button and it comes off. It really is that easy. It seems to be made well and I don't expect it to wear out quickly. Buy it. You won't be sorry.

These function just fine except that they can be fiddly to attach to or remove from the valve. If you're angled just a hair, they'll jam going on or off. Not a huge deal, you just have to develop a bit of technique. But I knocked off a star because of that.Once attached they seal to the valve perfectly, and stay put with no leaks until you press the release. Just like they're supposed to. No complaints so far about the quality, they seem solidly built.These are the only air chucks that I've found that allow me to air up the spoked rear wheel of a Harley Highway King. Nothing else I've tried is able to get past the gauntlet of spokes, brake disc and drive pulley to reach the valve. Not even the official Harley inflator, which claims to enable access to "hard-to-reach motorcycle valve stems", will work on my bike. So I'm very grateful to JACO for these chucks.I'd be happier if they sold them in a pack of 1. Why was I forced to buy two of them? The extra one is sitting in a drawer where it will probably remain for years. Well at least I have a spare. Four stars for the product, one star for "value for the money".These are free flowing chucks - no internal valve. If you connect directly to an air hose, air will noisily rush out. Many reviewers have complained about that (can't they read?), consider your application before purchasing.

There must be one plant on earth who makes these. I purchased another brand and the body is identical. So if you don’t like Jaco maybe you’ll like… well. They are all the same.Luckily so far I like this Jaco. So buy whatever connects to the type of hose you’ll be using and ride on daddy-o.

These things are slick. Easy to push on, provides a good seal with very little effort, and release via the button is just as simple. A decent amount of weight for a small part leads me to believe it should stand up to regular use quite well. Hands down the easiest to use tire chuck I've had the pleasure to use.

Very good product. Happy

A must have! Locks onto the valve stem, no hands needed. Great for motorcycle tires where you have to work around brake rotors and sprockets.