The product is a rare pack of 4 vintage National Steel Corner Irons from the United States. These iron corner protectors are made of steel with a chrome finish, featuring 4 holes per leaf. The pack is unopened and unused, making them a unique and valuable addition to any hardware collection. The National brand is known for producing high-quality fasteners, adding to the appeal of this sought-after product. PERFECT UNUSED UNOPENED CONDITION!!! RUST RESISTANT!!