The RetraxONE MX combines strong, durable polycarbonate with a powerful and incredible scratch resistant matte finish. The RetraxONE MX features a low-profile patented design that streamlines the overall appearance and provides a firm seal. The RetraxONE MX can be locked in any position along the rail and its secured with its own keys. The RetraxONE MX is manufactured from polycarbonate, a durable thermoplastic commonly known as LEXAN , which is reinforced with aluminum rods. This unique construction is sure to keep your cargo safe and secure in the most extreme elements. The RetraxONE MX features a spiral track storage canister that prevents the cover from rubbing on itself as it retracts and closes, and won't obstruct access to your cargo when you need it. The RetraxONE MX glides easily thanks to sealed ball bearings, and installs with easy clamp-on design.\nRetraxOne MX Retractable Tonneau Cover; Matte One Piece Polycarbonate Finish; GM 6.5' Bed 1500 (2019)\nBefore purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500 - This part is for the New Body StyleNOTE: This will fit models with or without Multi-Pro Tailgate\n2019 Chevrolet Silverado 1500 79.4 Bed, 2019 GMC Sierra 1500 79.4 Bed