详细介绍：
| 规格 | 工作载荷(Kg) | φ | D |
| 1/2x3 | 1 | 12.7 | 76.2 |
| 5/8x3-5x16 | 1.5 | 15.8 | 84 |
| 3/4x4 | 2.5 | 19 | 100 |
| 7/8x5-1/2 | 2.5 | 22 | 139 |
| 1x5-1x2 | 4.9 | 25.4 | 139.5 |
| 1-1/4x6 | 7.7 | 31.8 | 152 |
| 1-1/4x10 | 7.7 | 31.8 | 254 |
| 1-3/8x6 | 8.6 | 35 | 152 |
| 1-1/2x8 | 11.3 | 38 | 203 |
| 1-1/2x10 | 11.3 | 38 | 254 |
| 2x12 | 15.9 | 50.8 | 304 |
| 2-1/2x13 | 40 | 60 | 330 |
| 2-1/2x13 | 50 | 65 | 330 |
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