National Catalog 1153BC heavy duty offset leg corner brace. Used to reinforce a 90 Deg. angle through application of the inside. Clearance for 5/16 In. bolt or 2 nails per side. Extra length on 1 leg gives extra reach to provide greater stability. 45 Deg. hole pattern for nails provides easy installation option. Black powder coat finish for improved weather resistance. Warning: The safe working load for this product depends upon the application and fasteners used. In order to reduce the risk of personal injury or property damage, consult with design professionals to determine if this product is appropriate for your application.