高级铬钼钒钢，表面镀铬防锈，整体经过热处理，镀铬起子头与螺钉完美贴合使用
精密手柄顶端带可旋转盖帽，更便于快速紧固螺钉
特别适合在电子、精密机械行业及其他需要精细作业时便用
| 订货号 |  |
 |
 |
 |
 |
 |
 |
 |
| 42474 | T1 | 40 | 2.5 | 134 | 9 | 21 | 10 | |
| 42475 | T2 | 40 | 2.5 | 134 | 9 | 12 | 10 | |
| 42476 | T3 | 40 | 2.5 | 134 | 9 | 12 | 10 | |
| 42477 | T4 | 40 | 2.5 | 134 | 9 | 12 | 10 | |
| 42478 | T5 | 40 | 2.5 | 134 | 9 | 12 | 10 | |
| 42479 | T6 | 40 | 2.5 | 140 | 18 | 16 | 10 | |
| 42480 | T7 | 40 | 2.5 | 140 | 18 | 15 | 10 | |
| 42481 | T8 | 40 | 2.5 | 140 | 18 | 15 | 10 | |
| 42482 | T9 | 50 | 3 | 150 | 18 | 18 | 10 | |
| 42483 | T10 | 50 | 3 | 150 | 18 | 18 | 10 | |
| 42484 | T15 | 60 | 3.5 | 160 | 18 | 21 | 10 | |
| 42485 | T20 | 60 | 4 | 160 | 18 | 24 | 10 |
