| Model | Specification(mm) | Length(mm) |
| 27LB001 | 10X12 | 235 |
| 27LB002 | 11X13 | 235 |
| 27LB003 | 12X14 | 235 |
| 27LB004 | 14X17 | 270 |
| 27LB005 | 17X19 | 312 |
| 27LB006 | 19X22 | 312 |
| 27LB011 | 19X24 | 355 |
| 27LB007 | 22X24 | 355 |
| 27LB008 | 24X27 | 355 |
1.High quality Cr-V steel forging and special tempering for blacken processing with beautiful appearance and durable quality.
2. Special design with industrial strong torsion is applicable for heavy work.