烧瓶 - 螺丝刀，B类
型号BG4477
| 项目代码 | 帽（ml） | 螺丝杆尺寸 | 耐受±ml |
| BG45318 | 1 | 13. | 0.02 |
| BG45319. | 2 | 13. | 0.02 |
| BG45320 | 5. | 13. | 0.05 |
| BG45321 | 10. | 13. | 0.05 |
| BG45322 | 25. | 18. | 0.08 |
| BG45323 | 50. | 18. | 0.12 |
| BG45324 | 100. | 18. | 0.2 |
| BG45325 | 200. | 18. | 0.3 |
| BG45326 | 250. | 18. | 0.3 |
E：info@hoverexport.com w：www.asheela.com m：+91 94666 93111