Pair of No drill Energy Saving Radiator Brackets optimum gap 38mm, 1 1/2". Screws and shelf not included but you can choose from a variety of board from your local DIY / timber merchant. Our energy saving radiator shelf brackets are made using green electricity and powder coated using the latest ultra low bake technology here in the UK. This is a truely green product that can save you pounds and gives you a light duty shelf on which to put ornaments or books. Manufactured by Spur Shelving in the UK