Truck Box Revival Part 4, Sanding Bodywork 101

hey guys, here is the 4th part in the series of repairing a rusted out pickup truck box. we are getting started on the sanding and picking up where we left off with first block sanding stages. tips, pointers, how to's, and hopefully's. you may enjoy or maybe I just don't know anything about bodywork. let me know in the comments!!!