Used For Mounting Safety Rack frames. Can Be Used As Replacement BackRack(TM) Hardware. Includes Rail Plates/Neoprene Strips And Instructions. Hardware is Yellow Zinc Plated. Brackets Are Powder Coated. Limited Lifetime Warranty.\nInstallation Hardware Kit; Incl. Regular Brackets; For Backrack And Safety Rack ; Incl. Fasteners; Stake Pocket Hardware;\n1999-2006 Chevrolet Silverado 1500 Fleetside, 2004-2005 Chevrolet Silverado 1500 Base Fleetside, 2004-2005 Chevrolet Silverado 1500 Hybrid Fleetside, 2004-2005 Chevrolet Silverado 1500 LS, 2004-2005 Chevrolet Silverado 1500 LS Fleetside, 2004-2005 Chevrolet Silverado 1500 LT, 2004-2005 Chevrolet Silverado 1500 LT Fleetside, 2004-2005 Chevrolet Silverado 1500 SS Fleetside, 2004 Chevrolet Silverado 1500 WT Fleetside, 2004 Chevrolet Silverado 1500 Z71 Fleetside, 2007 Chevrolet Silverado 1500 Classic Fleetside, 2001-2003 Chevrolet Silverado 1500 HD Fleetside, 2005-2006 Chevrolet Silverado 1500 HD Fleetside, 2007 Chevrolet Silverado 1500 HD Classic Fleetside, 1999-2004 Chevrolet Silverado 2500 Fleetside, 2001-2006 Chevrolet Silverado 2500 HD Fleetside, 2007 Chevrolet Silverado 2500 HD Classic Fleetside, 2001-2006 Chevrolet Silverado 3500 Fleetside, 2007 Chevrolet Silverado 3500 Classic Fleetside, 1999-2006 GMC Sierra 1500 Fleetside, 2004-2005 GMC Sierra 1500 Base, 2004-2005 GMC Sierra 1500 Base Fleetside, 2001 GMC Sierra 1500 C3 Fleetside, 2004-2006 GMC Sierra 1500 Denali Fleetside, 2005-2006 GMC Sierra 1500 Hybrid Fleetside, 2001 GMC Sierra 1500 SL Fleetside, 2006 GMC Sierra 1500 SL Fleetside, 2001 GMC Sierra 1500 SLE, 2004-2006 GMC Sierra 1500 SLE, 2001 GMC Sierra 1500 SLE Fleetside, 2004-2006 GMC Sierra 1500 SLE Fleetside, 2001 GMC Sierra 1500 SLT, 2004-2006 GMC Sierra 1500 SLT, 2001 GMC Sierra 1500 SLT Fleetside, 2004-2006 GMC Sierra 1500 SLT Fleetside, 2004-2006 GMC Sierra 1500 WT, 2004-2006 GMC Sierra 1500 WT Fleetside, 2007 GMC Sierra 1500 Classic Denali, 2007 GMC Sierra 1500 Classic Hybrid Fleetside, 2007 GMC Sierra 1500 Classic SL Fleetside, 2007 GMC Sierra 1500 Classic SLE Fleetside, 2007 GMC Sierra 1500 Classic SLT Fleetside, 2007 GMC Sierra 1500 Classic WT Fleetside, 2001-2003 GMC Sierra 1500 HD Fleetside, 2005-2006 GMC Sierra 1500 HD Fleetside, 2007 GMC Sierra 1500 HD Classic Fleetside ...See Application Guide for Additional Fitments