1)Aluminium Extension ladder 13 mtrs fully extended (8 mtr + 8 mtr) 2. Made of special rectangulartubing having dual internal vertical supports for extra of size 77 x32 x2 mm and C shape size 15x12x3 mm asper IS-733-1983 temper T-6. (3) Steps will be made of 26 mm square corrugated tubing fitted on (4) Distance of250 mm (10 inch) centre to centre. Width of Extension ladder Min-310 mm (approx.) (5) Ladder will have fixedrubber pads and hook on top of the ladder hook made of MS Flat 32x5 mm hook bending on 5 mm dia. (6) Pulleybracket complete with rope of P.P. 10 mm and locking arrangement . Make-SJ Ladder , SUMER or Similar. [Warranty Period: 30 Months after the date of delivery]
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