LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated 10,000 PSI. Long-lasting rebuildable tool.
Brand: LockNLube

Won't leak once locked on
Hands-free, does not release under pressure
Rated up to 10,000 PSI
1/8 NPT thread. Works with all grease guns
Grease goes in, not on, the machine
Works on all Zerk fittings, SAE and metric
Comes with free replacement seal and jaws. Fully rebuildable
Easily releases from clogged grease fittings, even under pressure
Patented Locking Technology. US Patent #8955544

Locks on, does not leak
1/8" NPT compatible with all grease guns - battery, pneumatic, manual
Grease goes in, not on, the machine
World's original locking grease coupler.
World's only rebuildable grease coupler. Lowest lifetime cost.