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| Base color | 1/4inch，Needle length6.35MM | 1/2inch，Needle length12.7MM | 1inch，Needle length25.4MM | 1.5inch，Needle length38.1MM |
| Olive | 14G1/4 | 14G1/2 | 14G1" | 14G1.5" |
| Amber | 15G1/4 | 15G1/2 | 15G1" | 15G1.5" |
| Green | 18G1/4 | 18G1/2 | 18G1" | 18G1.5" |
| Pink | 20G1/4 | 20G1/2 | 20G1" | 20G1.5" |
| Blue | 22G1/4 | 22G1/2 | 22G1" | 22G1.5" |
| red | 25G1/4 | 25G1/2 | 25G1" | 25G1.5" |
| The PP flexible needle tube is chemical resistant and can effectively prevent the surface of the device from being damaged. | ||||