LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated

LockNLube Grease Gun Coupler locks onto Zerk fittings. Grease goes in, not on the machine. World's best-selling original locking grease coupler. Rated

LOCKS ON, STAYS ON, WON'T LEAK—LIKE HAVING AN EXTRA HAND! No need to hold the coupler in place while trying to grease your machinery. The LockNLube Grease Coupler locks on tight and lets you use both hands on your grease gun. THE ONLY REBUILDABLE LOCKING COUPLER: We include a spare rebuild kit! It's like getting two couplers for the price of one. 1/8" NPT COMPATIBLE WITH ALL GREASE GUNS - BATTERY, PNEUMATIC, MANUAL: Whether you are using Grandpa’s old Alemite lever grease gun, or the latest battery or pneumatic grease guns, the LockNLube Grease Coupler can be added to upgrade your grease gun. WORKS ON ALL ZERK FITTINGS, SAE & METRIC with a full lineup of adapters to reach any grease fighting on any machine! EASY TO USE: Press the thumb lever to open the LockNLube’s patented jaws and attach to the Zerk. Release the thumb lever and the LockNLube locks on tight! Press the thumb lever again to easily release from the Zerk, even under pressure! RATED UP TO 10,000 PSI BEST BUILT GUARANTEE: The LockNLube Grease Coupler is covered by our unconditional 1-year warranty Just imagine if greasing your machine could be easier. Less painful and less frustrating. That's what you get with the Lock and Lube grease coupler. With its patented sliding sleeve locking mechanism, the coupler locks on and creates a leak-proof seal. The waste and the mess are gone! If a fitting becomes pressurized, especially a recessed one, just depress the thumb lever and release the coupler. No more fighting and struggling with stuck-on couplers. No more broken-off fittings. For those of you who prefer lever guns, once the Lock and Lube coupler is locked on, both hands are free to pump the grease. With an 1/8" NPT connection, works with all standard grease guns: electric, pneumatic or hand-operated. When frustration and aggravation END, so does greasing procrastination! Your machines will get the grease they so desperately need when they need it. The Lock and Lube grease coupler WILL CHANGE your life! Now available standard with a replaceable Seal Kit (extra seal + 4 hardened steel jaws). With this extra seal, the LockNLube coupler achieves multi-year service life. A spare Seal Kit is included with each coupler - so when the existing durable nitrile rubber seal reaches it's service life or is damaged by a burred zerk, you simply change out the seal. Additional Seal Kits are also available.