It is lightweight, easy to use, easy to move, easy to distort, easy storage, can be hung flat, will not be affected by a long flat straightness, parallelism, not easy to rust.
2008B with three bubbles , three sides end millings .
| Spec | Qty(pcs) | Meas(cm) | G.W./N.W.(kg) |
| 12"/300 | 60 | 31.5×33.5×31 | 9/8 |
| 16"/400 | 60 | 41.5×33.5×31 | 10.5/9.5 |
| 20"/500 | 60 | 51.5×33.5×31 | 12/11 |
| 24"/600 | 60 | 61.5×33.5×31 | 13.5/12.5 |
| 32"/800 | 30 | 81.5×28×19 | 9/8 |
| 40"/1000 | 30 | 101.5×28×19 | 10.5/9.5 |