Aluminium multi-purpose ladder, trade model, 3 x 11 rungs, max. working height 8.49 m. Supplied = partially assembled. Product type = multi-purpose ladders. Access type = rungs. Number of rungs = 3x11 pcs. Frame material = aluminium. Rungs material = aluminium. Length per ladder section = 3190 mm. Working height as a step ladder = 5920 mm. Length as a lean-to ladder = 7670 mm. Retracted length = 3190 mm. Working height = 8490 mm. Working height as a lean-to ladder = 8490 mm. Max. vertical height as double ladder with extension = 5110 mm. Rung spacing = 280 mm. Rung depth = 30 mm. Professional model with solid steel fittings. Rigid connecting brace with transport safety catch. Sturdy cross beam for excellent stability. Very stable rails made of extruded aluminium profiles. Non-slip, profiled rungs. Spread secured by high strength nylon belts. The basic ladder consists of a two-part multi-purpose ladder. The third part, the extension ladder, fits in slide guides and is fixed with a pair