This 50” BEST medium duty cross brace will add more support to your large artworks. Cross braces are recommended for any artworks that are larger than 36” in one of their dimensions. These cross braces are made with a commitment to quality and durability. Constructed from sustainable pine, they will support your artwork for many years with regular maintenance and care. Affordable but excellent in their quality. They come with a bracket set for a convenient installation and can be easily assembled regardless of your skill set or experience putting canvases together. Pre-notched to easily add a second cross brace without much effort.