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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.
Mitch Abernethy
Reviewed in the United States on February 25, 2025
Works great
Matty B
Reviewed in the United States on August 20, 2024
The front end grease zerks on my GMC truck are tough to reach with a traditional straight grease hose. This worked well. Good value for the money.
robosolo
Reviewed in the United States on November 7, 2024
LockNlube has done it again - produced a great product. I have 3 of their excellent locking heads and love them for most uses. The only drawback is that the diameter of the tips is wider than normal zerk greasing tips, not allowing it to fit into some tight spaces and forcing you to resort to a conventional greasing tip.This new right angle greasing tip is just as narrow as a conventional one It can slip on a zerk fitting easily, lock - grease - unlock and slide off with little effort. All it takes is a small barrel rotation to lock and unlock. It attaches to your grease gun via a zerk fitting on the end eliminating the need to permanently screw anything on your gun. This also provides some extra flexibility. What a fantastic invention! Now, I wish LockNLube would come out with a straight version of this little gem.
Adam
Reviewed in the United States on November 22, 2024
Does the job, but good god is it a fight to get it on and off a zerk.
JT
Reviewed in the United States on October 6, 2024
This works great on my mower deck where there isn’t a lot of clearance for regular grease connectors.
Customer
Reviewed in the United States on October 29, 2024
Quality product
Dan
Reviewed in the United States on October 31, 2023
Works great on those hard to get places on the front end components. Would recommend.
Ben
Reviewed in Canada on January 8, 2023
i am using it on my Outlander ATV where the grease points are difficult to access. it helps if you use it with the LockNLube Grease Gun Coupler.
Ben
Reviewed in Australia on September 4, 2022
Useless, total waste of money, leaks around zerk/grease nipple when applying grease. Poor quality.
SMac
Reviewed in Canada on October 26, 2021
Bought this to use on my tractor had some hard to get to fittings perfect for what I needed to for
Marshall N. Valentino
Reviewed in the United States on September 8, 2020
My motorhome is built on a 2018 Ford F53 chassis and the steering box has a recessed zerk fitting. The fitting is pressed into the steering box and cannot be easily removed and replaced with a longer fitting, so I thought I'd give the LockNLube simple 90 a try. I reached out to the LockNLube folks before buying because I wanted to know the diameter of the fitting. I received an email within one day and they answered my questions. Two other Amazon members also answered the same question I posted on the Amazon website. The simple 90 can be used with a conventional grease gun fitting but I thought it would be easier if I ordered their grease coupler as well. Sure enough, both of them work great.
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