| Item No. | Step | Height of Steps | Height | height of "A" | Folded Height | Packing Size |
| 2cm*4 | 30cm | 2.6M | 1.2M | 77cm | 52x21x78cm | |
| 2cm*5 | 30cm | 3.2M | 1.56M | 82cm | 52x22x83cm | |
| 2cm*6 | 30cm | 3.8M | 1.89M | 85cm | 52x22x88cm | |
| 2cm*7 | 30cm | 4.4M | 2.1M | 88cm | 52x22x90cm | |
| 2cm*8 | 30cm | 5.0M | 2.4M | 91cm | 52x22x92.5cm | |
| 2cm*9 | 30cm | 5.6M | 2.7M | 93cm | 52x22x95cm | |
| 2cm*10 | 30cm | 6.2M | 3.0M | 97cm | 52x22x106cm |