The Evolf Shelf Brackets 6 Pack is a set of heavy-duty floating shelf brackets made of iron with a metal finish. Each bracket measures 8 inches in length, 3.75 inches in height, and 1.5 inches in width, with lips for added support. The set includes 6 brackets, each with 4 holes for easy installation. These durable and sturdy shelf brackets are perfect for supporting floating shelves in your home or office space.