Best Trailer, Inc. 500 Idaho Maryland Road , Grass Valley , California 95945 USA About Solutions products Companies Best Trailer, Inc. Products Model UB5x10 - Pro-Line Utility Trailer Model UB5x10 - Pro-Line Utility Trailer From Pro Line 0 Share Sealed Beam or L.E.D. Lights. Choice of Color. 48' Expanded Metal Tailgate. Side Mount Jack. Chrome Wheels. Customer reviews No reviews were found for Model UB5x10 - Pro-Line Utility Trailer. Be the first to review! Add your review Publish your review Great! review successfully added!