supply of aluminum straight ladder 8 meter with hook on top. the stiles of ladder should be made of alum-c section while the steps made of heavy-duty aluminum fluted pipe diameter 1 inch corrugated non-slippery are fitted at 12 inch (300mm) interval. the top and bottom end are fitted with rubber steps strong enough to support at a time weight of two men?s (150 kg total). material should be as per is 3696-2 (or latest) and isi marked.aluminum straight ladder 8 meter with hook on top. the stiles of ladder should be made of alum-c section while the steps made of heavy-duty aluminum fluted pipe diameter 1 inch corrugated non-slippery are fitted at 12 inch (300mm) interval. the top and bottom end are fitted with rubber steps strong enough to support at a time weight of two men?s (150 kg total). material should be as per is 3696-2 (or latest) and isi marked.,aluminum straight ladder 8 meter with hook on top. the stiles of ladder should be made of alum-c section while the steps made of heavy-duty aluminum fluted pipe diameter 1 inch corrugated non -slippery are fitted at 12 inch (300mm) interval. the top and bottom end are fitted with rubber steps stron g enough to support at a time weight of two men?s (150 kg total). material should be as per is 3696-2 (or l atest) and isi marked. [ warranty period: 30 months after the date of delivery ] ]