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How to Use the LockNLube

The LockNLube Grease Coupler is an innovative, new product that solves the problem of securely attaching a grease coupler to a zerk (grease fitting) without wasting grease. Here is how it works:

Step 1: Depressing the trigger opens four steel jaws.

 
Step 2: When the coupler is placed on a zerk and the trigger is released, the jaws form a leak-proof seal.
 
Step 3: You can now grease without having to hold onto the coupler.
 
Step 4: When finished, simply depress the trigger and remove the coupler from the zerk.
 
 
No more scraped knuckles from trying to remove stuck grease couplers! It works with pneumatic, manual and electric grease guns from just about every manufacturer.
True GG,GH,GI,GJ,GK