| Type | Length | Length of folding | Weight | Stepping Width | Weight of loading |
| BLASS-40 | 4.0m | 2.7m | 34kg | 40mm | 100KG |
| BLASS-50 | 5.0m | 3.3m | 42kg | 40mm | 100KG |
| BLASS-60 | 6.0m | 3.7m | 50kg | 40mm | 100KG |
| BLASS-70 | 7.0m | 4.3m | 59kg | 40mm | 100KG |
| BLASS-80 | 8.0m | 4.7m | 67kg | 40mm | 100KG |
| BLASS-90 | 9.0m | 5.3m | 75kg | 40mm | 100KG |
| BLASS-100 | 10m | 5.7m | 85kg | 40mm | 100KG |
