Rung single ladder made of aluminium. Sturdy rectangular tube stiles. Fluted square rungs measuring 30 x 30 mm on both sides. 4-fold flanged rung/stile connection. Rung spacing: 280 mm. Ladder width: 420 mm (without crossbar). Nivello ladder shoes with patented 2-axis tilt technology. Maximum load: 150 kg. Note: Single ladders over 3.0 m may only be used without a crossbar if they are used exclusively for their intended purpose (e.g., permanently installed, fitted with hooks, etc.).