| Model No. | Unit Weight | External Diameter | Allowed least curvation Dia | Broken load |
| WFBS φ 6 | 0.89±0.2 |
|
220 | 13.32 |
| WFBS φ 7 | 1.28±0.2 |
|
240 | 18.13 |
| WFBS φ 8 | 1.50±0.2 |
|
260 | 23.68 |
| WFBS φ 9 | 2.03±0.2 |
|
280 | 29.97 |
| WFBS φ 10 | 2.39±0.2 |
|
280 | 37 |
| WFBS φ 11 | 2.95±0.2 |
|
300 | 44.7 |
| WFBS φ 12 | 3.33±0.2 |
|
300 | 52 |
| WFBS φ 13 | 3.80±0.2 |
|
320 | 63 |
| WFBS φ 14 | 4.90±0.2 |
|
320 | 69.9 |
| WFBS φ 16 | 6.15±0.2 |
|
340 | 94.72 |
