supply of supply of aluminium ladder 08 feet height with hook on top. the stiles of the ladder should be made of alu-cross sections size 66.6x31.7x4 mm while the steps made of heavy duty aluminum fluted pipe dia 01 inch corrugated non-slippery are fitted at 12 inches [300mm] interval. the top and bottom end are fitted with rubber. steps must be strong enough to support at a time weight of 02 men (140 kg total) with warranty as per enclosed is 3696-2 (1991)supply of aluminium ladder 08 feet height with hook on top. the stiles of the ladder should be made of alu-cross sections size 66.6x31.7x4 mm while the steps made of heavy duty aluminum fluted pipe dia 01 inch corrugated non-slippery are fitted at 12 inches [300mm] interval. the top and bottom end are fitted with rubber. steps must be strong enough to support at a time weight of 02 men (140 kg total) with warranty as per enclosed is 3696-2 (1991),supply of aluminium ladder 08 feet height with hook on top. the stiles of the ladder should be made of al u-cross sections size 66.6x31.7x4 mm while the steps made of heavy duty aluminum fluted pipe dia 01 inch corrugated non-slippery are fitted at 12 inches [300mm] interval. the top and bottom end are fitted with rubber. steps must be str ong enough to support at a time weight of 02 men (140 kg total) with warranty as per enclosed is 3696-2 (1991) ]