Roll N Lock Cargo Manager for 07-21 Toyota Tundra CrewMax 5.7 Ft. Bed Model CM570Roll N Lock Cargo Manager Rolling Truck Bed Divider, Works Only with Roll N Lock Covers, for 2007 2021 Toyota Tundra CrewMax 5. 7 Ft. Bed Model CM570 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.