LockNLube Zerk Fitting Coupler - Top-Selling Grease Gun, 10,000 PSI

LockNLube Grease Coupler: Hands-Free Lubrication

Unmatched Convenience
The LockNLube Grease Coupler ensures your lubrication job is done safely and efficiently. With our coupler, you no longer need to hold the coupler in place while using your grease gun. This innovative design allows you to use both hands, making the process faster and more secure.

Unique Rebuildable Design
The LockNLube Grease Coupler is the only locking coupler on the market that includes a spare rebuild kit. This means you get two grease gun tips for the price of one—like having an extra hand without the extra cost. You can rest assured knowing that even if damage occurs, you have a replacement kit to keep the process going smoothly.

Compatible with All Types of Grease Guns
Whether you're using a battery, pneumatic, or manual grease gun, the LockNLube Grease Coupler is compatible. From Grandpa’s old Alemite lever grease gun to the latest battery or pneumatic models, you can easily upgrade your equipment and ensure durability through this versatile coupler.

Universal Zerk Fitting Compatibility
The LockNLube Coupler works seamlessly with all Zerk fittings, as well as SAE and metric versions. Our full lineup of adapters ensures you can reach any grease fitting on any machine, with no hassle or gaps in your lubrication process.

High-Pressure Performance
Engineered to work at up to 10,000 PSI, the LockNLube Grease Coupler is built to handle tough jobs. Whether you’re lubricating large machines in demanding industrial environments or smaller tools in precision manufacturing, you can trust this coupler to deliver.

Easy to Use
Operate the LockNLube Grease Coupler with ease by pressing the thumb lever to open and attach, and again to detach, even under pressure. Its patented design makes it intuitive and reliable, ensuring your lubrication tasks are completed with confidence and speed.