Tenders for Supply of Aluminium Alloy Wall Support Extension Ladder Close Height 24 Feet, Extension Height 45 Feet Made O F High Tensile Aluminium Alloy With C Section 67X31x3.5 Mm Thickness Confirming To He - 30 Grade T-6 Temper A S Per Is: 733 Of Hindalco Make Steel, Made Of No Slip Aluminium Alloy, Corrugated Fluted Pipe Of 28X3 Mm Dia. St Eps To Be Rivetted At 305Mm Interval, With Aluminium Lm-6 Catcher To Lock Ladder At Every Rung, Nylon Rope And P Ulley, Rubber Shoes At The Bottom Safety, Additional Ms Guide Pipe Mixed Inside The Ladder At 1 Meter Interval For S Tability Of Ladder, Ladder Fabricated By Expanding And Flaring Runs With Stiles Of The Ladder For 100% Twist Proof And Unbreakable Performance. Make- Skyward, Sumer Or Sj Ladders Or Similar Warranty Period: 24 Months Af Ter The Date Of Delivery