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 PSIEasily disconnects, even under pressure. No more broken Zerks.1/8" NPT compatible with all grease gunsWorks on all Zerk fittings, SAE and metricUS 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 hosesHardened steel collet fits all standard Schrader valves [VG8/8V1 valve threads]Rated to 150 PSI & Heavy-duty construction built to lastU.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. The Original Locking Grease Coupler The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. hero-video Merchant Video The new standard in locking air chucks! The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. The LockNFlate Air Chuck Merchant Video