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