I have no use for this product, I got it in a package deal with some other stuff. These are very expensive to buy new so I didn't want to just toss them out. If you are interested just make me an offer.
These brackets are used to connect the Guardian Rock Guard to Roadmaster tow bar brackets.
You can check a product listing online here:
Roadmaster Guardian 2nd Vehicle Kit Roadmaster Accessories and Parts RM-4000-1
Located near Winnipeg, Manitoba, Canada. Will ship at your cost.