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Item: Aluminium alloy wall support extension ladder close height 24 feet, extension height 45 feet made of high tensile aluminium alloy with C section 67X31X3.5 mm thickness confirming to HE - 30 Grade T-6 temper as per IS: 733 of Hindalco Make steel, made of No slip aluminium alloy, corrugated fluted pipe of 28X3 mm dia. steps to be rivetted at 305mm interval, with Aluminium LM-6 catcher to lock ladder at every rung, nylon rope and pulley, rubber shoes at the bottom safety, additional MS guide pipe mixed inside the ladder at 1 meter interval for stability of ladder, Ladder fabricated by expanding and flaring runs with stiles of the ladder for 100% twist proof and unbreakable performance