Excellent quality, A36 25 x 20mm Anodised Aluminium Self Adhesive Stair Nosing Edge Trim providing you with a perfect finish, as well as preventing any damage to your stairs and disguising any imperfections that aren’t so easy on the eye. Stair nosing's are an outstanding way of finishing the edge of your stairs. They come in very attractive colors, silver This product comes with a single assembly system, consisting of glue. Excellent design with no visible screws or plugs. Simply peel off the paper strip, place the nosing in the required position and push down firmly to stick it to the floor .