Designed for
General Household Application to Renovation Works Whick can be Accessed from Both Sides| Model | Step Nos | ''A '' Type Height (mm) |
| HDDS 04 | 4 | 982 |
| HDDS 05 | 5 | 1229 |
| HDDS 06 | 6 | 1447 |
| HDDS 07 | 7 | 1724 |
| HDDS 08 | 8 | 1972 |
| HDDS 09 | 9 | 2219 |
| HDDS10 | 10 | 2467 |
| HDDS 11 | 11 | 2714 |
| HDDS 12 | 12 | 2962 |
| HDDS 14 | 14 | 3457 |
| HDDS 16 | 16 | 3952 |
