I haven't used either of these clickers. But myself would want the heavier Tandy unit.
Aluminum & steel don't play together good in a long term situation as in the dream factory unit.
I think the extra weight of the Tandy would also help in clicking out your pattern/piece.
Nice looking Ole tools. Be interested in who & how old.
I am wondering if the threaded handle is so you can add weight to the tool. If that was full of lead shot. It would make it fairly heavy, & maybe aid in creasing.
You need to resize your file to the proper size to post. I use shrinkpictures app/website. Size your pictures to 760x800
I use my phone cause it's all I got to use.