5.0 MPG

I just bought some relatively new rear shocks from ebay. When i opened the box up the shocks were different widths? Same name brand but different in width? I cant look at mine to tell if they come like this cause its in paint. Is one rear shock a slightly different size than the other? If so which one. I just leaned into the company for selling them to me. I got them cheap and I only need one but it would be nice to know anyway.