Classic Soft Roll Up Tool Box Tonneau Cover Fits 69.3 in./5 ft. 9.3 in. Bed and also With Cargo Channel System;For use with any 20 in. Standard Toolbox;Type: Snap Soft Roll Up; Installation Time: 20 Minutes; Mounting System: No Drilling, No Damage Pin. Style TuffKlamps; Material: Aluminum Rails with Vinyl Tarp; Shipping Method: UPS; Warranty: Lifetime Frame & 10 year Tarp CHEVROLET GMC SIERRA 1500 SILVERADO 1500 DENALI HYBRID LS LT LTZ SL SLE SLT WT XFE 2007 2008 2009 2010 2011 2012 2013 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.3L LU3 (4293cc) Vortec 4.8L GEN IV Flex L20 Vortec (294) 4.8L GEN IV LY2 Vortec (294) 5.3L GEN IV Flex LC9 Vortec (325) 5.3L GEN IV Flex LMG Vortec (325) 5.3L GEN IV LH6 Vortec (325) 5.3L GEN IV LY5 Vortec (325) 6.2L Flex L9H (376) 6L GEN III Electric/Flex LZ1 Vortec(364) 6L GEN III Electric/Gas LFA Vortec (364) 6L GEN IV L76 Vortec (364) ELECTRIC/FLEX ELECTRIC/GAS FLEX GAS with Toolbox Compatible Extang Extang Classic Soft Roll Up Tool Box Tonneau Cover - 32645 32645 Tonneau Cover