Fangrui Product Details 1. Construction Marker Pen 20mm Line Marker Tag Markers Pen Double Nib Long Head Marker Deep Hole Metal Bathroom Carpentry Ceramic 2. Description: 3. Product Brand: Wanniansheng 4. Product Name: Deep Hole Double-ended Marker 5. Color: Black, Blue, Red 6. Pen Tip: 20mm 7. Applicable Scenarios: Metal, Wood, Glass, Colloid... 8. Features: 9. Ink-refillable Design, Longer Use Time, Easy To Disassemble, And Easy To Use When Refilling Ink 10. Dual-purpose, Multi-purpose, Smooth Writing, Double-headed Design Is Practical And Convenient 11. Long Head Mark, Thin Head Writing, Keep The Hat Off For 48 Hours 12. Using High-grade Ink, The Pen Cap Will Not Be Affected Even If The Pen Cap Is Not Closed For 48 Hours. 13. Double-head Design, Deep-hole Marker, Bright Colors And Smooth Writing 14. Oil-based Ink Is Smooth And Easy To Draw, Not Easy To Fade, And The Ink Is Smooth And Smooth. 15. 20mm Extended Nozzle, Suitable For Marking Deep Holes Or Hard-to-reach Places 16. The Pen Clip Design Takes Care Of Storage Issues And Can Be Easily Clipped Into Your Pocket. 17. There Is No Need To Find A Ruler For Scale Design And Construction. The Pen Tube Comes With A 50mm Ruler Scale, So You Can Easily Measure The Size. 18. Waterproof And Non-fading, Imported Ink, Quick-drying, No Dirty Hands, Not Easy To Fade, Effectively Improves Work Efficiency 19. Package Included: 20. 1 Piece* (1 Transaction)