| Model | Specification(mm) | Length(mm) |
| 25LB001 | 8 | 142 |
| 25LB002 | 10 | 161 |
| 25LB003 | 12 | 172 |
| 25LB004 | 13 | 180 |
| 25LB005 | 14 | 192 |
| 25LB006 | 17 | 226 |
| 25LB007 | 19 | 250 |
| 25LB008 | 22 | 295 |
| 25LB009 | 24 | 315 |
1.Special-designed steerable ratchet drive is applicable in narrow space.
2.Tough antiseptic cover with finishing polish and electroplating processing