Deep Hole Marker Pens, 6Pcs Ink Waterproof double-headed Pen, Blue

These waterproof Deep Reach Markers can be used in industries such as decoration, wood processing, glass manufacturing, plastics, metal, automotive manufacturing, etc.

Advantage
20mm/0.79 inch long pen tip makes it easy to mark deep holes or hard-to-reach places. Smooth mark with oil-based ink, waterproof, quick-drying, and strong adhesion.

Instruction
The design of the scale on the deep-hole marker pen barrel makes it easy to measure the size at will. The pen cap can be clipped to your pocket to prevent the pen from getting lost.

Note
Please close the pen cap after use to prevent the pen tip from touching things for a long time and causing the ink to penetrate.