elaborate on:
                
                | REF. | Specification | PCS/Carton | Notes | 
| KE039 | 72/50 positon | 60 | Applicable to 0.5ml/1.5ml centrifuge tube | 
| REF. | Specification | PCS/Carton | Notes | 
| KE039 | 72/50 positon | 60 | Applicable to 0.5ml/1.5ml centrifuge tube |