I just got this today for free at a pawn shop. The clerk would not take my card for one dollar and I did not have cash. I can’t find this wrench or information on the “z”. I have tried Alloy Artifacts, archive.com, etc. Patiently waiting for an expert to chime in. However, I will continue...
Thank you for these diagrams, I just inherited a Wilton. Your posts are helpful and I am quietly following along. Perhaps contribute in the near future.