The Revolver X2 hard rolling truck bed cover features exclusive automatic rotational locking rails that secure the cover the entire length of the bed on each side. This hard aluminum roll-up cover easily rolls up with one-handed operation and allows use of every inch of the truck bed without blocking your rear window. This cover does it all with unrivaled strength, security and style.\nRevolver X2 Hard Rolling Truck Bed Cover - 2019-2021 (New Body Style) Chevy Silverado/GMC Sierra 1500 6' 7 Bed\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 Style\n2019-2021 Chevrolet Silverado 1500 79.4 Bed, 2019-2021 GMC Sierra 1500 79.4 Bed