1. combination ladder
2. folding ladder
3. extension ladder
4.cable ladder
5. multi-purpose ladder

combination ladder

 Step nos.           distance of rungs           height              loading             weight

       5                        280 MM                       1600MM            150KG              7.5KG

      7                         280MM                         1900MM            150KG               8.7KG

      9                         280MM                          2200MM            150KG              9.8KG