Probably the only ladder you'll ever need! Our best selling ladder offers unrivalled flexibility and durability. Sturdy triangular rungs made from extruded profiles that have a horizontal stepping surface when in the use position. Upper ladder can also be used separately as single ladders for Order Nos. 44837-44840. High-strength Perlon straps with sewn-in fixing tab to prevent splaying. Stiles made from extruded aluminium sections for maximum stability. Replaceable 2-component plastic end caps ensure positioning without risk of slipping. High strength, non-twist rung/stile connections. Cannot be used on stairs.