End greasing frustration with the original locking grease coupler!

• Locks on, stays on, won’t leak. Rated up to 10,000 PSI
• Easily disconnects, even under pressure. No more broken Zerks
• 1/8″ NPT compatible with all grease guns – battery, pneumatic, manual
• Grease goes in, not on, the machine
• Works on all Zerk fittings, SAE and metric
• Includes a rebuild kit! The LockNLube® is the world’s only rebuildable grease coupler. Lowest lifetime cost.