Step shelf ladder, double sided shelf unit with wheel unit on top for round tubing rail system, 7 steps. Supplied = assembled. Number of steps = 7 pcs. Access type = steps. Length = 1950 mm. Material of treads = aluminium. Step depth = 80 mm. Feature = mobile. Weight = 14.2 kg. Width = 570 mm. Working height = 2900 mm. Frame material = aluminium. Max. load = 150 kg. Standing height = 900 mm. Vertical hook-in height = 2700 mm. High stability due to high strength beaded step-rail connection. Safe ascent due to 80 mm deep, profiled steps. Space saving suspension when not in use. This step shelf ladder with an integrated wheel unit on top for double sided shelving units is the optimal supplement to every shelf system. It provides fast and safe access to shelves located at a height. 2 self locking braked castors (diameter 80 mm) ensure it is easy to move. The two component ladder feet provide a sturdy footing during use. There are two travelling mechanisms with a brake and parallel roller b