Easy to Use: Step1. Place the tool onto the clogged grease fitting. The key is TAP. (You've trying to dissolve the clog and not blast it out of the way). Repeat the tapping process if necessary until the fitting is clear.
Grease Fitting Cleaning Tool -Grease Zerk Cleaner, Grease Fitting Rejuvenator
Performance Tool W54209 Grease Fitting Cleaning Tool - Grease Fitting Cleanin...
BuildMaven Grease Fitting Cleaning Tool -Grease Zerk Cleaner, Green
BuildMaven Grease Fitting Cleaning Tool -Grease Zerk Cleaner, Red