Posted by JET [75.53.140.231] on Wednesday, April 30, 2014 at 20:52:12 :
In Reply to: Re: Zerks anyone? posted by Kaegi [98.247.164.246] on Wednesday, April 30, 2014 at 20:25:44 :
Best I can tell, they are replacement "jaws" for the business end of the grease gun...I didn't know they were replaceable...had to just buy the whole coupler as one piece...but that's just my guess....JET