Multi-purpose professional ladder in anodised aluminium with 3/3 external/internal steps. External welded non-slip steps, internally rimmed. Automatic hinge with 2 possibilities of use: free to open and close the ladder or locked in the maximum opening position. Capacity 150 kg. Compliant with the provisions of italian legislationDlgs 81/08. Sizes: mm. 520Lx930Dx920H. H. total book mm. 1430, H. working book mm. 2600, H. extended mm. 2880, H. working extended mm. 3800.