LLC "TransTechnology" manufactures Block Fenders
They are designed for heavy operating conditions. Engineered to withstand very high loads. Used on tugboats.

| H, mm | B, mm | C, mm | Ø D, mm | Ø F, mm | L, mm | Weight, kg/m |
| 200 | 35 | 130 | 28 | 90 | 2000 | 40 |
| 250 | 50 | 150 | 33 | 96 | 2000 | 59 |
| 300 | 60 | 180 | 33 | 115 | 2000 | 88 |
| 350 | 70 | 210 | 33 | 125 | 2000 | 126 |