RMP Stainless Steel Corbels are heavyweight and can support up to 300 pounds. Six pre-drilled holes allow for easy installation. The corbels are made from 1/4 inch stainless steel have a #4 finish which gives the material a polished, grain finish. Stainless steel corbels will not tarnish or oxidize and are suitable for indoor or outdoor use. They have a decorative structure and are suitable for granite counter tops or other heavy shelving. They come as a two piece set.