Support pillars for wall mounting: To attach rear panels, adjustable shelves, container strips directly to the wall. Fastening material included. Specification: Steel U-profile, increments of 50 mm, sinkhole for wall bracket every 200 mm on concrete wall (nylon wall plugs No. 8 and countersunk screw 5 × 70). Colour: according to colour chart. Swivelling shelves cannot be attached to wall-mounted rails.