Holman PACKOUT Mounting Plate Model 48258Holman PACKOUT Mounting Plate Model 48258 The Holman ProStow Mount plate allows Milwaukee Packout tool boxes and organizers to be mounted to any flat surface. Whether its a shelf end panel or a partition, this mount plate is designed for quick access to the tools and supplies needed while using space that is usually unusable. Features and Benefits: Easy and secure mounting on any flat surface, including partitions and shelf end panels Makes use of