NOS The National Hardware Corner Braces are 1-1/2" x 3/8" steel braces made in the United States. This set includes 4 pieces, each measuring 8 inches in length and 1 1/2 inches in rail height. These corner braces are designed for home improvement projects and are used to provide stability and support for various building and hardware applications. The National brand ensures quality and durability in this essential building component.