Gorilla Mighty 11 multi-purpose ladder Aluminium 120kg MM11-IFour ladder types in one Adjustable height for increased versatility 120kg Industrial load rating Compact folding design Aluminium construction The Gorilla Mighty 11 multi purpose ladder is four types of ladder in one compact, folding design. The versatile Gorilla Mighty 11 can convert from A Frame to uneven A Frame (for use on stairs), to a straight extension ladder with multiple height adjustments or can be split into two trestles using the included