Extension rung ladders

In comparison Compare

NV 500	2-section rope-operated	3-section rope-operated	2-section extension	3-section extension
Position for using	leaning extension, rope-operated	leaning extension, rope-operated 2 separate single rung ladders: 1- and 2-section	leaning extension 2 separate single rung ladders:1 — and 2-section	leaning extension 2 separate single rung ladders:1 — and 2-section
Width of lower section	525 mm	525 mm	525 mm	525 mm
Profile of stile, aluminium profile 6063	Reinforced 71×23, 99×23 from 2×16	Reinforced 99×23	Reinforced 71×23, 99з23 from 3×13	Reinforced 71×23, 99×23 from 3×10
Profile of rung, aluminium profile 6063	30×30	30×30	30×30	30×30
Plastic	2-component plastic feet	2-component plastic feet	2-component plastic feet	2-component plastic feet
Safety belts	20 mm standard	20 mm standard	Light-proof and weather-resistant safety belts with metal ears	Light-proof and weather-resistant safety belts with metal ears
Guide brackets	60 mm aluminium, plastic insert, 2 screws	60 mm aluminium, plastic insert, 2 screws	60 mm aluminium, plastic insert, 2 screws	6 0 mm aluminium, plastic insert, 2 screws
Hooks	rope-operated retention mechanism	rope-operated retention mechanism	20 mm aluminium, 4 hooks per section, automatic lock for hook, 2 screws	20 mm aluminium, 4 hooks per section, automatic lock for hook, 2 screws
Wall pads	Wall wheels	Wall wheels	Wall wheels	Wall wheels