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Founded in 2013 in Lyme, NH
LockNLube
From the Original LockNLube Grease Coupler to our innovative LockNFlate Air Chuck, LockNLube sells the world's best tools and equipment to make machine maintenance faster, easier, and cleaner. The brand trusted by farmers, mechanics, truckers and heavy-equipment operators, order today!
Upgrade Your Maintenance Tools With LockNLube
LockNLube Grease Gun Coupler
- Rated up to 10,000 PSI
- Easily disconnects, even under pressure. No more broken Zerks.
- 1/8" NPT compatible with all grease guns
- Works on all Zerk fittings, SAE and metric
- US PATENT #8955544
LockNFlate Locking Air Chuck
- Six steel jaws lock onto any Schrader valve to create a secure, hands-free connection.
- 1/4” NPT thread compatible with most standard air hoses
- Hardened steel collet fits all standard Schrader valves [VG8/8V1 valve threads]
- Rated to 150 PSI & Heavy-duty construction built to last
- U.S. PATENT #11913582
LockNLube
Upgrade Your Maintenance Tools With LockNLube
LockNLube was founded in 2013 by farmers and loggers with the simple mission of ending greasing frustration. While our product line has expanded, our focus on providing our customers with innovative, durable, and easy-to-use machine maintenance tools has remained unchanged.
Our tools are built to stand up to heavy use and demands of farming, excavation, logging, trucking, tire shops, service bays, and garages! LockNLube strives to make your machine maintenance work faster, easier, and cleaner.
G Gabel
July 18, 2025
It had done as advertised to prevent leaking of lubricant liquid out the back end of my LockNLube grease gun.
Iowatech
July 8, 2025
Everyone knows that grease guns leak. This is the first attempt to correct that. Condoms for my grease guns. May be hope the protection holds up.
Barth
May 13, 2025
Great idea! Keeps grease from dripping out of the bottom of the grease gun.
CheviHemi
May 3, 2025
I expected it to catch the oil that leaks out but it did such a good job that in a matter of weeks it was a huge mess to deal with when changing the tube out. Product works but doesn’t really save any mess like I was hoping it would.
Tk
April 29, 2025
Fits my grease gun perfect
Tonya Miller
March 26, 2025
This is great. Saves you from the mess.
jtl
February 9, 2025
As a protective grease gun cover
JC
November 21, 2024
To everyone that has mentioned the barrel cap doesn't fit, you're right but it's an easy fix. It would not come even close on my milwaukee m18 cordless. So I boiled some water, let it cool a bit soaked the cap for only like 3 minutes. Dried it, wd-40 on the inside, went right on. My hope is that once it cools and has been on the gun for a while it will have stretched a bit. Will know soon. Hope this helps.
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