Designed for
General Household Application to Renovation Works Whick can be Accessed from Both Sides| Model | Step Nos | ''A '' Type Height (mm) |
| DS 04 | 4 | 955 |
| DS 05 | 5 | 1201 |
| DS 06 | 6 | 1447 |
| DS 07 | 7 | 1693 |
| DS 08 | 8 | 1939 |
| DS 09 | 9 | 2185 |
| DS10 | 10 | 2431 |
| DS 11 | 11 | 2677 |
| DS 12 | 12 | 2923 |
| DS 14 | 14 | 3415 |
| DS 16 | 16 | 3907 |
