The tensioner is an integral part of fender system structures, ensuring a strong and reliable connection of elements during installation and operation. It is used in shipbuilding, berthing structures, ports, and industrial facilities where high resistance to dynamic loads and aggressive environments is required.
The product is made of high-strength galvanized steel, which guarantees:

| Chain Size, A, mm | Thread | Length, L, mm | Width, W, mm | Weight, kg |
| 16 | M16 | 200-240 | 40 | 3 |
| 18 | M18 | 220-280 | 45 | 4 |
| 20 | M20 | 235-305 | 50 | 5 |
| 22 | M22 | 265-345 | 56 | 7 |
| 22 | M24 | 280-370 | 60 | 9 |
| 25 | M27 | 310-420 | 68 | 12 |
| 30 | M30 | 345-465 | 76 | 17 |
| 32 | M33 | 385-525 | 82 | 21 |
| 35 | M36 | 420-560 | 90 | 27 |
| 40 | M42 | 480-650 | 106 | 45 |
| 45 | M48 | 545-745 | 120 | 64 |
| 50 | M52 | 595-805 | 130 | 80 |
| 55 | M56 | 640-880 | 140 | 99 |
| 60 | M60 | 685-945 | 150 | 122 |
| 60 | M64 | 730-1010 | 160 | 147 |