Item DescriptionSlidemaster Placard Holder for Trucks meets exacting standards for top quality construction. The Backless Slidemaster placard holder is designed for use on smooth-sided trailers. Built with rugged assembly and drain hole, this Backless Slidemaster placard holder accommodates metal placards and non-adhesive placards in polycoated tagboard and 20-mil rigid vinyl. Featuring superior durability, this Backless Slidemaster Placard Holder is made with baked white polyester finish on sturdy .032 aluminum. Backless Slidemaster DOT Placard System is priced per each.