High quality – robust ladder made of anodised aluminium and protective coating with 14 steps – it complies with the standard EN 131.6 Safety: with soft-close mechanism for safe folding of the ladder and slow retraction of the steps without danger to the fingers. Reliability: with indicators that indicate per level whether it is fully secured and safe to climb. Very flexible – the extendable aluminium ladder can be used in any desired length between 1.04 m and 4.40 m Telescopic professional – the professional version of the aluminium ladder is characterised by extra deep rungs with ALDORR Opti-Grip and black-coated ladder parts.