1-40PCS 20Mm Deep Hole Long Nib Head Markers for Metal Perforating Pen Waterproo

✅ 8 pro-grade markers in solid colors (Red/Blue/Black) or custom mixes (e.g., 4Red+4Blue, 3Red+3Black+2Blue, 1Red+1Black+1Blue，1Red ，1Black ，1Blue), perfect for high-frequency use, team workflows, or color-coded projects.

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