1. Cutting tools, such as diamond, carbon head pen, ceramic wedge etc;
2. Magnifier (10X - 20X)
3. Ruler
4. Wrench
5. Ferrule
6. Solvent bottle
7. Clean syringe needle
8. Non-column retained compound sample
9. Mixed sample for chromatographic column test
10. Flow meter
11. Others, such as washer, O type ring etc.