Single ladder, height adjustable, rope ladder, 2-section with crossbar, 2 x 18 rungs. Made of aluminium. Highly stable rectangular tube stiles. Durable rung-holm connection due to quality flanging. Secure footing due to grooved square rungs on both sides, 30 x 30 mm. Non-slip nivello feet for best grip, flexibility and safety. Height adjustment from rung to rung by plastic rope, fittings with sliding guides. Automatically acting drop-in hooks. Top ladder with wall rollers. Ladder width 420 mm. According to DIN EN 131-1, the use of crossbars is mandatory for all single ladders over 3 m ladder length.