Supply Of Alluminium Wall Extension Ladder As Per Is 4571/1977. Alengh - 10.9 Mtrs. After Extension And Close Height 6.1 Mtrs, Bwidth - 380 Mm, C Cross Section - 66.6 Mm X 31.7 Mm X 4 Mm Thick, D Steps From 25.4 1 Inch Dia Floated Alluminium Pipe Fitted At Interval Of 300 Mm In Section Upto Complete Length, E With Good Quality Accessories Pulley, Nylon Rope Of Sufficient Length, Rubber Pad, Safety Lock..
