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Specification
| Model No | Capacity | Cable Travel | Mass |
| 30.0-40.0 | 1.7 | 10 | 10 |
| SPSB-50 | 40.0-50.0 | 1.7 | 11 |
| SPSB-60 | 50.0-60.0 | 1.7 | 12 |
| SPSB-70 | 60.0-70.0 | 1.7 | 12 |
| SPSB-85 | 70.0-85.0 | 1.5 | 13 |