BAK 14-18 Chevy Silverado 1500 / 15-20 Chevy Silverado 2500/3500 5ft 8in Bed Revolver X2The 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. This Part Fits: Year Make Model Submodel 2016,2018 2020 Chevrolet