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Description The Catnic CN71A is a standard-duty steel lintel designed for use in masonry construction for 200mm and 215mm exterior solid walls. It is made from galvanised steel, providing excellent durability and corrosion resistance, and comes with Catnic's signature black powder coating for added protection and a sleek finish. Key Features: Exterior Use : Designed for solid walls in external masonry construction. Durable Construction : Made from galvanised steel for longevity and corrosion resistance. Standard Duty : Supports typical loads in exterior solid wall applications. Signature Black Powder Coating : Adds protection and provides a neat, professional appearance.