• Unique patented design. Locks on.....Stays on....No leaks!
• Four hardened spring steel jaws are resilient under high pressure - over 10,000 psi.
• End the waste. End the mess. End greasing frustration.
• Fits all Grease Guns - 1/8” NPT fitting.
• Fits all SAE and Metric Zerk fittings. Simply replace your existing coupler, the orange button on the right to buy.
• Pressure locked? No problem. Easily releases from clogged fittings, even at extreme pressures.
• Patented Locking Technology. US Patent

Upgrade your grease gun and END GREASING FRUSTRATION

Recessed fittings? No problem

You know the grease is going in, even if you can't see the Zerk. You don't have to fight to get the coupler to release. Just push down the thumb lever to release.

Our Promise

Your bearings will thank you. The LockNLube Grease Coupler will help you end greasing frustration. When greasing is easier, it gets done more often. Regular greasing improves machine life and uptime.

It almost makes greasing fun

Greasing is a messy job, but it doesn't have to be a frustrating one. Upgrade your grease gun today with LockNLube and start saving grease, saving time, and get rid of the daily frustrations that bad greasing equipment brings.

• Locks on, does not leak
• 1/8 NPT compatible with all grease guns - battery, pneumatic, manual
• Grease goes in, not on, the machine
• World's original locking grease coupler.
• World's only rebuildable grease coupler. Lowest lifetime cost.

width: x height: 0.63 x length: 1.66 x weight: 0