Grease Gun Knob for 5/16-18 thread

thingiverse

Lost the knob off the end of your grease gun's ram-rod? If your grease gun uses the common 5/16-18 thread, then you've found a replacement! The thread fits snugly and securely, just like a lock nut, so it won't come loose accidentally. Print it in durable material if you want it to withstand heavy use, or simply use PLA or ABS and plan on creating another one later.