In a message dated 98-07-12 21:06:02 EDT, you write: << Yes, I do have a jig that mounts these hinge arms for the 173 and could make them for the XL and STD. Do you think it is worth the $400 extra I would have to charge to make this tooling a do this step? >> Are we losing sight of what this "Amature built" thing is all about????