Safe, flexible and suitable for great heights, with an excellent price/performance ratio. Convenient and precise rung-by-rung height adjustment in increments of 280 mm. Both parts of the ladder can also be used separately as single ladders for Order Nos. 44834 and 44820 Outside width of lower ladder: 420 mm. Sturdy triangular rungs made from extruded profiles that have a horizontal stepping surface when in the use position. Positive guide fittings of aluminium extruded section. Replaceable 2-component plastic end caps ensure positioning without risk of slipping.