Roll-N-Lock BT447A Roll-N-Lock A-Series Truck Bed CoverTonneau Cover Roll N Lock A Series Truck Bed Cover Roll N Lock A Series Truck Bed Cover; Excludes Beds w Rambox Cargo Management System; SPECIFICATIONS: Actual Color: Black Color: Black Drilling Required: Yes Front Opening: No Full Bed Access: Yes Key Lockable: Yes Low Profile: Yes Material: Aluminum Paintable: No Rails To Install: No Sits on Truck Rails : Yes Style: Retractable Hard Cover WARNING CA Proposition 65: Yes WARNING CA Proposition 65