This listing is for 20 latching relays. The part number is 760m-r1a-b4r0, made by Gruner. This item is in new condition, harvested from unused units. I listed the specs in the photos, but here is a link for another quick reference:

https://www.gruner.de/en/relays/product-finder-details?prodid=20

We have over a thousand of these, and smaller 100a models from 48v units. Will add to our listings as we sort through them. Some may be cosmetically better or worse than this listings photo, all will function perfectly though. Can make deals on bigger lots. Free shipping to the lower 48