WeatherGuard protection offers 3x more corrosion resistance compared to competitors. Formulated to endure severe weather and resist the corrosive effects of pressure-treated lumber, WeatherGuard has been extensively tested and proven superior to standard zinc-plated products. The National Hardware Zinc-Plated Silver Steel 10 in. L Hook Bolt, rated for 135 lb and available in a 1-pack, showcases this advanced protection.