Roll N Lock CM151 Truck Bed Organizer Cargo Manager - 17-22 F-250/F-350, 6.8. Cargo Manager - 17-21 F-250/F-350, 6.8'. Roll-N-Lock Corporation has long been the industry leader in retractable tonneau cover technology and product innovations within this field. It is this vision, coupled with a continuing commitment to quality, that has made Roll-N-Lock the fastest growing producer of retractable truck bed covers in the world.Roll-N-Lock's quality management principles comply with ISO standards; truck owners everywhere associate the Roll-N-Lock name with quality. This item is in the category "Automotive\Parts & Accessories\Car & Truck Parts & Accessories\Exterior Parts & Accessories\Truck Beds & Parts\Truck Bed Accessories". The seller is "partsterr_canada" and is located in this country: CA. This item can be shipped to Canada, United States.