supply of [set consisting two nos of aluminium straight ladders: 1. one aluminium straight ladder heavy duty extendable (11 mtrs/36 feet) with locking device, pulling rope, rubber shoes etc. and strong enough to support minmum 150 kg at a time. (specification attached). 2. one aluminium straight ladder 8 mtr height with hook on top. the stiles of 8 m ladder should be made of alum-c section size 66.6x31.7x4 mm while the steps made of heavy duty aluminium fluted pipe dia 1 inch, corrugated non slippery are fitted at 12 inch (300 mm) interval, the top and bottom end are fitted with rubber steps strong enough to support minmum 150 kg at a time. make : shashank, sumer, raunak, vinay plastic, super, falcon, metal house, michigan, jk, bajrang, s.j. ladder or similar][set consisting two nos of aluminium straight ladders: 1. one aluminium straight ladder heavy duty extendable (11 mtrs/36 feet) with locking device, pulling rope, rubber shoes etc. and strong enough to support minmum 150 kg at a time. (specification attached). 2. one aluminium straight ladder 8 mtr height with hook on top. the stiles of 8 m ladder should be made of alum-c section size 66.6x31.7x4 mm while the steps made of heavy duty aluminium fluted pipe dia 1 inch, corrugated non slippery are fitted at 12 inch (300 mm) interval, the top and bottom end are fitted with rubber steps strong enough to support minmum 150 kg at a time. make : shashank, sumer, raunak, vinay plastic, super, falcon, metal house, michigan, jk, bajrang, s.j. ladder or similar],set consisting two nos of aluminium straight ladders: 1. one aluminium straight ladder heavy duty extendable (11 mtrs/36 feet) with locking device, pulling rope, rubber shoes etc. and strong enough to support minmum 150 kg at a time. (specification attached). 2. one aluminium straight ladder 8 mtr height with hook on top. the stiles of 8 m ladder should be made of alum-c section size 66.6x31.7x4 mm while the steps made of heavy duty aluminium fluted pipe dia 1 inch