Indalex 13 - 29 Steps 150kg Rated Durable Heavy Duty Industrial Fibreglass Extension LadderIndalex Heavy Duty Industrial Fibreglass Extension Ladder Features These robust heavy duty ladders have been designed to last and incorporate the best methods of joining the industrial grade aluminium structural components with the heavy duty fibreglass rails so that the ladder can withstand repeated use without the joints loosening. These ladders are designed to be used when an Electrical Hazard might exist so as to offer greater protection for the