Never seen a wrench like this

[don long]

Can one of you tool guys help me out?
I've never seen a wrench like this and wonder what it might have been used for.

IMG_5365 by don long, on Flickr


IMG_5366 by don long, on Flickr

IMG_5367 by don long, on Flickr

 

[wrenchguy]

its actually part of a set of tools 4 removing valve springs, flathead v8 iffen i member right.