Rectangular outdoor wall light graal ral7016 in anthracite with square openings the graal ral7016 outdoor wall light has an elegant modern flair with its rectangular curved metal body and powder coated anthracite finish a row of square windows which are covered by acrylic glass has been cut into the metal panel this causes squares of light to appear when the light is in use which contrast with the dark base tone this gives the graal ral7016 an interesting visual