4.04m closed height, 7m extended height, weight 18.2kg, Tested and certified to EN131-2. Rectangular ‘Box’ section sides for extra strength and rigidity. Large ‘D’ shaped rungs. Perfect twist-proof rung joint with non-slip feet. Extra width between sides for comfort and safety. Maximum permissible load 150kg. British Standard BS2037:1994 rated according to safe working loads. CLASS 1 (industrial) Duty rating 130kg. Maximum permissible load 175kg.