What is a "Zerk" fitting?
Learn more about the inventor of the modern grease fitting, Oscar Zerk. Learn More
LockNLube sells the world's best tools and equipment to make machine maintenance faster, easier, and cleaner.
SHOP GREASE COUPLERSIf our products don’t work better and last longer than anything out there, we’ll make it right. If you aren’t satisfied with anything you buy from LockNLube, send it back within a year for a full refund - no strings attached. We’ll still consider returns after a year, you’ll just need to call us and tell us what happened. But if your kid runs over it with a tractor, you’ll probably need to buy a new one.
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Our products are designed to outperform and outlast any other. Return within 1 year for a full refund, no questions asked.
Learn more about the inventor of the modern grease fitting, Oscar Zerk. Learn More
LockNLube's mission has always been to END GREASING FRUSTRATION. We that in mind, we are so excited to bring you this innovative solution to a persistent issue that every person...
You know how important it is to keep your costly equipment properly greased and maintained. Now we offer the best way to make that task more efficient than ever before....