STABILO + S professional extension ladder, step-rung combination, 2 x 12 steps/rungs. Supplied = assembled. Number of steps = 2x12 pcs. Access type = steps. Length = 3550 mm. Material of treads = aluminium. Step depth = 80 mm. Feature = height adjustable. Weight = 19.9 kg. Width = 430 mm. Working height = 6700 mm. Frame material = aluminium. Cross beam width = 970 mm. Rung height = 970 mm. Max. load = 150 kg. Standing height = 4700 mm. Rail width = 25 mm. Rungs material = aluminium. Rung depth = 30 mm. Conforms to = DIN EN 131. Extended length = 6050 mm. Retracted length = 3550 mm. Compliant with TRBS 2121-2 - innovative step-rung combination. Versatile - both ladder sections can be used separately as lean to ladders. Convenient - blue, wide safety rung for safe passage from rungs to steps. The sturdy, two part professional extension ladder with step/rung combination for use in compliance with TRBS 2121-2. The new, innovative step/rung combination in one ladder allows it to be used as a walkway and a workplace. The innovative KRAUSE Trigon cross beams allow the ladder sections of the 2 x 12 extension ladder to be used separately. Durable and robust construction - Sturdy aluminium guide profiles around the rails ensure high stability - Rails made of sturdy extruded aluminium with edge reinforcements - High strength beaded step/rung/rail connection Safe and easy to use - Automatically latching locking lever (AutoSnap system) for safe transport - Anti-slip 30 mm deep rungs with all round profiles in the bottom ladder section - Convenient passage from rung to step due to the innovative, blue, wide safety rung Anti-slip foot stoppers (SafetyCap) Ergonomic and versatile usage options - Comfortable and safe stand on 80 mm deep profiled steps in the upper ladder section, ensuring compliance with the requirements specified in TRBS 2121-2 for the use of steps - The models with 2 x 12 steps/rungs or more feature an extension section that is equipped with the tried-and-tested KRAUSE Trigon cross beam and can, in contrast to conventional extension ladders, be removed