LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World’s best-selling authentic locking grease coupler. Rated 10,000 PSI. Lengthy-lasting rebuildable device.

LOCKS ON, STAYS ON, WON’T LEAK—LIKE HAVING AN EXTRA HAND! No want to carry the coupler in place whereas making an attempt to grease your equipment. The LockNLube Grease Coupler locks on tight and allows you to use each arms in your grease gun.
THE ONLY REBUILDABLE LOCKING COUPLER: We embrace a spare rebuild package! It is like getting two couplers for the worth of 1.
1/8″ NPT COMPATIBLE WITH ALL GREASE GUNS – BATTERY, PNEUMATIC, MANUAL: Whether or not you might be utilizing Grandpa’s previous Alemite lever grease gun, or the newest battery or pneumatic grease weapons, the LockNLube Grease Coupler could be added to improve your grease gun.
WORKS ON ALL ZERK FITTINGS, SAE & METRIC with a full lineup of adapters to achieve any grease combating on any machine!
EASY TO USE: Press the thumb lever to open the LockNLube’s patented jaws and fasten to the Zerk. Launch the thumb lever and the LockNLube locks on tight! Press the thumb lever once more to simply launch from the Zerk, even beneath stress!
RATED UP TO 10,000 PSI
BEST BUILT GUARANTEE: The LockNLube Grease Coupler is roofed by our unconditional 1-year guarantee