This magnetic picture hanger has a metal plate with an integral 7/16" hook and a 3/32" magnetic backing, providing a secure solution for everyday use on steel surfaces. It offers a reliable hold, with a strong magnetic force and corrosion resistance that stands up to grime, moisture and other elements. The baked enamel finish gives it a sophisticated and modern look, making it ideal for hanging pictures, clipboards, certificates, maps and calendars with long-lasting peace of mind.