Xprite 50'' Straight&Curved LED Light Bar Mounts Upper Windshield Brackets for Chevrolet silverado 1999-2006 GMC sierra 1999-2006 HIGH QUALITY - Full Steel Metal heavy duty construction that help stability and strength when mounted, High quality power coat that resists rust and dirt VEHICLE FITMENT - Chevrolet: 99 - 06 Silverado 1500 4WD/2WD, 99 - 06 Silverado 2500 HD 4WD/2WD, 99 - 06 Silverado 3500 HD 4WD/2WD; GMC: 99 - 06 Sierra 1500 4WD/2WD, 99 - 06 Sierra 2500 HD 4WD/2WD, 99 - 06 Sierra 3500 HD 4WD/2WD LIGHT BAR FITMENT - All 49.5" - 50.5" Straight & Curved Light Bar; For Straight Light bar (Anti-Slip Spacer Recommended ASIN:B01MF9YQCO) & For Curved Light Bar (Anti-Slip Curved Spacer is Required ASIN:B01LANB5IQ) NOTICE - Installation Accessories Included & Professional Installation recommended PACKAGE INCLUDES - One Pair Of Xprite 50" Inch Straight & Curved LED Work Light bar Steel Metal Upper Windshield Mounting Brackets 1999-2006 GM Pickup and SUV (Chevrolet & GMC)