Little Giant Ladders are 5-6 times more durable than any other ladders. None of the other ladders are as useful as theLittle Giant Ladders The little giant ladder is made of '6005-T5 aluminum' and this ladder has an amazing 'workload capacity' of '300 pounds'. Amazingly, the little giant ladders have been tested to withstand four times that amount without any structural failure. Thus the 'Little Giant Ladder System' is almost 'indispensable' for any professional to choose in because it is so strong, hardy and lasts long.