Ah, interesting!I did a quick image search for "fencing tool" and this does indeed seem to be based on that design. (Image removed from quote.)Unique to this one is the slip joint and the sort of "channel lock" type pliers addition on the side (which has the nail puller cut into it). You can't see it in the picture I posted, but when slid into the second position, the tip has a blunt pliers nose that would be good for staple pulling. So it would seem the best guess here is that someone saw a fencing tool and decided to tweak it into a cheap mutt for multipurpose home use? Or do you think this is just a variation of the fence plier?I have to be honest, I have been cleaning it up and thinking of scenarios in which it might be a useful MT companion. It certainly could free up that fitting or hose that the MT can't quite fit around.. it could twist or hold firm while the MT does its work.. you can of course drive a nail with it... and should the need to clobber some imbecile about the face and neck arise... Thanks for the leads fellas!G.