Up for sale my brothers extendable 24 ft ladder fiberglass and aluminum construction excellent. Condition Working off the ground requires high-quality industrial ladders.Electricity safe. Fiberglass rails are non-conductive.Reinforced edge bracing.Gravity spring locks secure ladder at heights up to 21.Heights adjust using heavy-duty rope and pulley.Slip-resistant D-shaped rungs, rubber shoe pads.Spur plates for safety on soft ground.300 lb. load capacity.