Roll N Lock Cargo Manager for 17-23 Ford F-250/F-350 6.8 Ft. Bed Model CM151Roll N Lock Cargo Manager Rolling Truck Bed Divider, Works Only with Roll N Lock Covers, for 2017 2023 Ford F 250 F 350 6. 8 Ft. Bed Model CM151 Cargo Manager(R), an optional companion product for Roll N Lock, is a movable bed divider that can be positioned every 3 inch along the length of the truck bed to manage and contain lightweight cargo. Controlled from the driver's side, Cargo Manager is repositioned by simply squeezing the control levers.