supply of aluminium alloy wall support extn ladder close ht 24 feetaluminium alloy wall support extn ladder close ht 24 feet,aluminium alloy wall support extn ladderclose ht 24 feet extended ht 45 feet made of h igh tensile aluminium alloy c section 66 x 32 x 3.16 mm thickness ofohe 30 grade t6 temper of hindalc o make steel made of noslip al. alloy corrugated flutted pipe of 28 x 3mm diasteps to be riveted at t op 305mm interval extendableanother locking rubber shoes at the bottom safety tophooks safety h and rails and addl ms guide pipe mixedinside the ladder at 1 mtr interval for stability of ladder. [ w arranty period: 30 months after the date of delivery ] ]