Combines a step ladder, Extension ladder, Stairway ladder and free standing extension ladder in one product. Easy conversion to all 4 modes Wide Anti-slip rungs for comfort and security. Box section Aluminium rails that are designed to ensure the ladder is lightweight but strong and rigid security. Steady locking bar for Extra strength and security. Long horizontal stabilizers for good sideways stability and safety with rubber protection pads. Compliance to BSEN 131