LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. Worlds best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.

Managed to get a fitting on my Kubota mower deck to accept grease for the first time in a while. Good product.

I would recommend this to anyone who has multiple machines in which they grease regularly. This tool makes greasing Quicker and more effective

Not great fro confined spaces since its a bit larger, but still really awesome. No more hose popping off the fittings

I WOULD LIKE TO KNOW HOW TO BUY ADDITIONAL REBUILD KITS. I HAVE A NUMBER OF YOUR COUPLERS THAT ALL NEED TO BE REBUILT. THEY ALL LEAK UNDER HIGH PRESSURE.

Cheap metal expected more for the price...some zerks now unreachable,

There really is no wasted grease! It even helps some grease fittings take grease that normally dont. Well worth the money, should have purchased one a long time ago.

Amazing product easy to use and to install and no more mess !!!!

very easy to use

Made greasing fittings so much easier

It is expensive but you get what you pay for. I bought a new traditional type end for my grease gun and that wouldn’t work on a brand new grease fitting. Put this on and it worked perfectly every time. Even comes with replacement parts to replace your end so you are basically getting two for the price of one. Great product.