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) Ram 5' 7 Bed without RamBox without Multifunction Tailgate\nBefore purchase please verify if you have New Body Style or Classic Body Style on 2019-2021 Ram 1500 - This part is for the New Body StyleNOTE: Will NOT work with Multifunction Tailgate\n2019-2021 Ram 1500 67.4 Bed Without RamBox Without Multifunction Tailgate