Extang Tonneau Cover Features: Rotating Rear-End Rail; Tighter; Better Looks SpringLock+ Bows-Easy To Install; Never Fall Off No Drilling; No Damage Peel And Seal Engineered J45 Strip Edging J45 Strip Worlds Strongest Tarp Attachment MaxCare Warranty; 10 Year Tarp; Lifetime Frame Height: 6.00 Width: 10.00 Length: 97.00 Fitment: 2016/Ford/F-450 Super Duty/XLT Crew Cab Pickup 4-Door/6.8L 415Cu. In. V10 LPG SOHC Naturally Aspirated::Bed Length = 98.0, Bed Side = Styleside, Dually Bed^^2016/Ford/F-450 Super Duty/XLT Crew Cab Pickup 4-Door/6.8L 415Cu. In. V10 GAS SOHC Naturally Aspirated::Bed Length = 98.0, Bed Side = Styleside, Dually Bed^^2016/Ford/F-450 Super Duty/XLT Crew Cab Pickup 4-Door/6.8L 415Cu. In. V10 CNG SOHC Naturally Aspirated::Bed Length = 98.0, Bed Side = Styleside, Dually Bed^^2016/Ford/F-450 Super Duty/XLT Crew Cab Pic...