Rail aligner for railroad work.
lg
no neat sig line
The 1 i made for wrestling twisted 2x lumber is about 3' long. Twister is accurate/good name.I think its for twisting not pulling. Head fulcrum is the wrong direction for popping stuff up. Like twisting a floor joist into alignment or maybe a similar task in steel.
Looks like a greasing tool. The G23 looks like its opposite handed brother (or yours is a G23). Moving Shackles
https://archive.org/details/KenQualityToolsCatalogNo5051/page/n17/mode/2up