... Sizes: 4x2, 4x3, 4x4, 4x5, 4x6 and 6x4 4x6 Multipurpose Ladder Straight H:700cm; "A" Type H: 336cm; Bridge Type H ... wrap It is a multi-function ladder,can used as working platform,double ladder and single ladder. Other Size 4X2, 4X3, 4x4, 4X5 ...