Fitment for Chevy for Silverado 1500/2500HD/3500HD 2007-2013 for Silverado 2500 2007-2009 for Silverado 3500 2007 2013 for GMC for Sierra 1500/2500HD/3500HD 2007-2013 Position Location: rear,upper Part Number J3220502 Bed Length 5.8 ft 5.8 ft Color Black Type Tonneau cover Feature Cover is dual-coated and made out of heavy duty 24 oz. marine-grade vinyl,with aircraft-grade aluminum frames,and comes with stainless steel clamps for easy installation and great durability Easy no drilling installation with instruction and mounting hardware provided Locking,soft cover