When I jammed the tube into a grease gun and rammed the spring-loaded follower home, it captured air bubbles in the grease. Beyond that theory, I never thought about it anymore because storing the ...

A grease gun may not be necessary for everyone's toolbox, but it's essential for some, like RV owners, and the DeWalt model ...

Alas, I’ve yet to fire a Grease Gun—something I hope to ... clearing a jam on that heavy gun with its even heavier spring ...