- 5 x 18-pin needle cartridges for the Dr. Pen Hydra Pen H6
- 5 x 36-pin cartridges for the Dr. Pen Hydra Pen H6
- 5 x 42-pin cartridges for the Dr. Pen Hydra Pen H6
- 5 x round nano cartridges for the Dr. Pen Hydra Pen H6
- 5 x square nano cartridges for the Dr. Pen Hydra Pen H6
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