tender for mobile aluminium ladder 36 feet,side of aluminium (shape channel 75x35x3.5 mm and uppercorner thickness 6.5mm) step:aluminium 26mm square corrugated tube as per is:733-1983,temper t-6 fittedwith safety lock, pulley and rope,closed height:20 feet,extended height: 36 feet, ladder will be in two fold.make :summer or similar .
