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.

After breaking more than a few zerks over the years from getting a gun stuck on them I can say this is one of the best purchases I have made in a. While. Easier to get on or off than your mom. Not nearly as messy either

Works great!!

It’s perfect, using for lawn mower

We love the fast connect/discnonect feature of this product. It seems to be a durable item with a nice weight. Its not a tinny tool and it stays in place without any trouble. The down side of the coupler is the length which makes accessing small compartments difficult, if not impossible.

Leaves one hand free

Most efficent method to grease fittings no more mess == it latches and lubes the parts. I have missed this one for a while

It works

Expensive for a grease gun tip, but grips firmly so there is less mess. Handy for hard to reach places on farm equipment. Would buy again.

Everyone here likes them. Great Product

I am not one to write product reviews because I expect stuff I buy to function as advertised. But I have to say this little device has exceeded my expectations. It works perfectly. I frequently grease tractors and farm equipment and this is a BIG improvement over a standard grease gun tip.