Aluminium rung stepladder with sturdy rectangular tube stiles. It features fluted square rungs measuring 30 x 30 mm on both sides and a 4-fold flanged rung/stile connection. The conical stile guide ensures a secure stand, while the nivello ladder shoes incorporate patented 2-axis tilt technology. Solid, galvanised steel hinges are attached with a screw connection, and plastic end caps are located at the upper stile end. The ladder includes spread protection with two high-strength polyester belts and transport securing straps. Rung spacing is 280 mm, and it has four bar extensions with a solid sliding guide, infinitely adjustable by an ergonomic star grip. The adjustment range at the ascending part is a maximum of 400 mm, and at the support section, it is a maximum of 1,000 mm. The maximum load capacity is 150 kg.