Main extrusion made up of aluminium alloy ‘c’ section 66x32x3.18mm thickness of HE30 grade t6 temper hindalco make. Steps made up of 26mm x3mm thickness non slip, extra grip round corrugated flutted pipe steps. Aluminium alloy heavy duty box tiltable tower extension ladder, mounted on 4 nos special type solid rubber tyre 12” x3 ½” size wheeler ms channel trolley, provided with top working platform of size: 18” x 22”, tools tray of size: 18” x 10” -2 nos, gear winch 1 no for extension & lowering purpose and another 1 no for tilting purpose, 4nos screw type ground lock and tow bar handle. aluminium box portion provided with necessary cross m.s “l” angle maximum working load: 180kgs