Im Trailer kündigt Blizzard auf humorvolle Art und Weise die offene Beta von Overwatch an. Sie beginnt. Open trailer. For special transports and out-of-gauge we use open trailers. We have open trailers both with and without aluminium side boards. Dimensions and. Pro-Line Trailers stocks new and used open trailers, including utility, equipment, landscaping, and more. Browse our selection online.