... 2. Multipurpose: Scaffold, Double Ladder, Single Ladder 3. Available Sizes: 4x2, 4x3, 4x4, 4x5, 4x6 and 6x4 4x2 Multipurpose Ladder Straight Height: 250cm; "A ... : shrink wrap It is a multi-function ladder,can used as working platform,double ladder and single ladder. Other Size 4X3, 4x4, 4X5, 4x6 ...