Dee Zee DZ11990B Black-Tread Bed Caps. Bed slide rail protector. Covers inside and top of tail without stake holes. Black Gloss Powder Coated Aluminum. Direct-fit compatible with 1999-2006 Chevrolet Silverado 1500/ 2007-2007 Chevrolet Silverado 1500 Classic/ 2001-2003 Chevrolet Silverado 1500 HD/ 2005-2006 Chevrolet Silverado 1500 HD/ 2007-2007 Chevrolet Silverado HD Classic/ 1999-2004 Chevrolet Silverado 2500/ 2001-2006 Chevrolet Silverado 2500 HD/ 2007-2007 Chevrolet Silverado 2500 HD Classic/ 1999-2006 GMC Sierra 1500/ 2007-2007 GMC Sierra 1500 Classic/ 2001-2003 GMC Sierra 1500 HD/ 2005-2006 GMC Sierra 1500 HD/ 2007-2007 GMC Sierra 1500 HD Classic/ 1999-2004 GMC Sierra 2500/ 2001-2006 GMC Sierra 2500 HD/ 2007-2007 GMC Sierra 2500 HD Classic.