| 球头尺寸(in) | 槽尺寸(in) | 负荷拉力(lbs) | 单重(kg) |
| 1-7/8 | 2 | 2000 | 1.22 |
| 1-7/8 | 2-1/2 | 2000 | 1.23 |
| 1-7/8 | 3 | 2000 | 1.28 |
| 2 | 2 | 3500 | 2.1 |
| 2 | 2-1/2 | 3500 | 2.2 |
| 2 | 3 | 3500 | 2.2 |
| 2 | 3 | 5000 | 2.44 |
| 球头尺寸(in) | 槽尺寸(in) | 负荷拉力(lbs) | 单重(kg) |
| 1-7/8 | 2 | 2000 | 1.22 |
| 1-7/8 | 2-1/2 | 2000 | 1.23 |
| 1-7/8 | 3 | 2000 | 1.28 |
| 2 | 2 | 3500 | 2.1 |
| 2 | 2-1/2 | 3500 | 2.2 |
| 2 | 3 | 3500 | 2.2 |
| 2 | 3 | 5000 | 2.44 |