UnderCover SE Smooth 16-24 Titan 6'7" - Ready to Paint - Gray Model UC5086SUnderCover SE Smooth 16 24 Titan 6'7" Ready to Paint Gray Model UC5086S The UnderCover SE boasts all the features of the original Classic cover, but with added stylelines and a rear spoiler for todays modern truck owner. The raised ribs create an aerodynamic styling not found in other covers. It has single point lock that controls both locking hinges on the underside of the cover providing the same security as the Classic, but with only one key point.