Quantity of (4): Knape & Vogt 208WH500 20", 500 MM, White Epoxy Coated Finish, Heavy Duty "L" Brackets, 1,000 LB Per Pair Load Capacity. The 500mm (20") Ultimate L-bracket is designed for extra-heavy loads in applications such as countertop, worksurface or shelving support in commercial, industrial or residential settings. Features a 5mm (3/4") steel support strut for additional strength and holds up to 1,000 lb. per pair when properly installed. BHMA Grade 2 compliant. Corrosion-resistant white finish