Extendable ladder with hollow “D” rung

– Ladder made of fiberglass, ensuring high mechanical resistance at a low weight.

– Steps made of heat-treated aluminum alloy with “D” model anti-slip strips.

– Ratchet made of aluminum alloy.

– Backrest made of nylon webbing covered in vulcanized rubber.

– Manual drive of the mobile throw by pulley(s) and rope system.

Photos for illustrative purposes only.