| Model No. | 601-NT-OKF-40/410 |
| Neck Size | 40mm |
| Neck Spec | 410 |
| Output | 0.8cc / 1.2cc / 1.5cc |
| Tolerance | ±0.05 |
| Color | Black (customizable) |
| Material | Food-grade PP (Polypropylene) |
| MOQ | 10,000 pcs See policy → |
OKF patented design in matte black, strong aesthetic for premium men's series.
Applications: Professional cleaning, men's skincare
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