| Type | Length | Length of folding | Weight | Stepping Width | Weight of loading |
| BLVT-3 | 1.8m | 0.9m | 8kg | 40mm | 100KG |
| BLVT-4 | 2.4m | 1.2m | 11kg | 40mm | 100KG |
| BLVT-5 | 3.0m | 1.5m | 14kg | 40mm | 100KG |
| BLVT-6 | 3.6m | 1.8m | 17kg | 40mm | 100KG |
| BLVT-7 | 4.2m | 2.1m | 20kg | 40mm | 100KG |
| BLVT-8 | 4.8m | 2.4m | 23kg | 40mm | 100KG |
