Telescopic lean-to ladder, Smart Up Active, 13 rungs, length 4.0 m. Supplied = flat pack. Product type = telescopic lean-to ladders. Access type = single sided. Number of rungs = 13 pcs. Frame material = aluminium. Rungs material = aluminium. Retracted length = 900 mm. Working height = 4800 mm. Rung depth = 40 mm. Innovative - with SOFT CLOSE technology. Practical - unlocked with one motion. Space saving - in storage and transport. This telescopic lean-to ladder combines all the advantages of a lean-to ladder and is extremely space saving in storage and transport at the same time. It features unique operation. Just one motion is required to unlock the entire ladder, and to collapse it. The innovative SOFT CLOSE technology ensures that the ladder gradually slides together. This ensures your fingers are well protected. The integrated cross beam guarantees a safe and stable footing.