[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 Ar