supply of supply of fiber glass heavy duty wall , supply of fiber glass heavy duty wall support sway proof extension ladder of 26 feet/ 08 me ters extendable height having side runners of fiber glass section, fiber glass antiskid steps of 32 mm wide fl uted antiskid round pipe at 300 mm center to center, aluminium casted gravity type locking mechanism, h eavy duty guides, pp rope, pulley and aluminium casted swivel type shoes with thick antiskid rubber treads . extra ms rubber coated v pole support. total section length 4.5+4.5 mtr = 9 mtr. [ warranty period: 30 months after the date of delivery ] ] , supply of fiber glass heavy duty wall support sway proof extension ladder of 36 feet/11 met er extendable height having side runners of fiber glass section, fiber glass antiskid steps of 32 mm wide flu ted antiskid round pipe at 300 mm center to center, aluminium casted gravity type locking mechanism, he avy duty guides, pp rope, pulley and aluminium casted swivel type shoes with thick antiskid rubber treads. extra ms rubber coated v pole support. total section length 6+6 mtr = 12 mtr. [ warranty period: 30 mo nths after the date of delivery ] ]