My father and I helped a family friend clean out her husbands garage after he passed away. As gratitude she gave us a couple of tools from the garage, we just can't figure out what this tool is used for? We took it an auction, thinking someone would know what it was and would buy it. What do you know, not a single bid and nobody knew what it's use was? Any help would be much appreciated. Thank You, Jeff

For making alumnium gutters?????

 Rusty, thanks for the quick reply. You might be on to something, our friends husband did build a rather elaborate corrugated metal garage/office.  Maybe this was used to make some of the finishing pieces? Thanks, Jeff

Rain gutter brake-

I think.

At the vocational program Ime in we have a machine somewhat similar for bending gutters. The side were it parts off would be for bending back the end caps.

What is the word under the pointer in the first image?? Have you done a web search for this??

 Thank you, for the replies, the overall consensus seems to be this is a Gutter Break. I searched for "Steel Beaver" when we first acquired it, that's what is on the measuring tool in the second photo. Turns out they are a "hair" band from the 80's? So i'll just roll with the rain gutter break, hopefully i'll be able to sell it to someone who needs one. Thank Again, Jeff

It looks like a home made box bending brake maybe.
Most of the aluminum gutter stuff around here is formed with a die that they shove about a 1 foot wide flat piece through and it shapes it and looks like a gutter when it comes out the other end.  I think they call them continuous or seamless gutter machines or something like that.
The Steel Beaver looks like a set of big calipers.  It looks like the distance is measured from the outside of the fixed end, based on how it starts at 5".
It looks like more of a "multi-function sheet metal working tool" to me.  I'd love to have it in my shop.