Dee Zee DZ11991B Black-Tread Bed Caps. Bed side rail protector. Covers inside and top of rail with stake holes. Material is aluminum. Direct fit compatible with 1999-2006 Chevrolet Silverado 1500/ 2007-2007 Chevrolet Silverado 1500 Classic/ 1999-2004 Chevrolet Silverado 2500/ 2001-2006 Chevrolet Silverado 2500 HD/ 2007-2007 Chevrolet Silverado 2500 HD Classic/ 2001-2006 Chevrolet Silverado 3500/ 2007-2007 Chevrolet Silverado 3500 Classic/ 1999-2006 GMC Sierra 1500/ 2007-2007 GMC Sierra 1500 Classic/ 1999-2004 GMC Sierra 2500/ 2001-2006 2500 HD/ 2007-2007 GMC Sierra 2500 HD Classic/ 2001-2006 GMC Sierra 3500/ 2007-2007 GMC Sierra 3500 Classic.
