Surface Mounted Rails SURFACE MOUNTED RAIL With coat hooks. Seen from the front. SURFACE MOUNTED RAIL With coat hooks and hat pegs. Seen in perspective. d line Wardrobe - Surface Mounted Rails. The rail is available in a number of standard lengths which determines the hanging capacity by selecting either a 125mm or 187mm distance between the hooks and pegs. Any combination imaginable is possible and can be supplied as requested whether with a greater projection or in a longer length. For further information please refer to our Wardrobe System brochure.