1-40PCS 20mm Deep Hole Long Nib Head Markers For Metal Perforating Pen Waterproof Bathroom Woodworking Decoration Multi-Purpose

1-40PCS 20mm Deep Hole Long Nib Head Markers For Metal Perforating Pen Waterproof Bathroom Woodworking Decoration Multi-Purpose

Features

1. Versatile Combo Set
   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.

2. ️ Deep Hole Specialist
   20mm tungsten nib (0.78 inches) reaches 15mm deep holes – mark hidden joints, engine bay parts, or narrow gaps without disassembly, saving 50% time!

3. ️ All-Weather Durability
   IPX5 waterproof ink resists rain and oil. Quick-dry formula (<3 sec) stays crisp on polished metal or greasy surfaces.

4. ️ Military-Grade Build
   ABS shockproof body + anti-slip grip, survives -20℃~80℃ extremes. Nib lifespan: 100,000+ marks (3x longer than average).

5. Universal Hard Surface Mastery
   Works on wood, concrete, tile, glass, plastic, and automotive parts. Precision <0.5mm for carpentry, metalwork, or DIY crafts.

Specifications 

• ️ Product Name: DeepReach Pro Markers (8Pcs/Set)

• Dimensions: 13.7cm L (5.4in/0.45ft) • 30mm nib (1.1in) • 1.5cm diameter

• Color Options:
  ▶ Solid Sets: 8Red/ 8Blue / 8Black
  ▶ Mixed Sets: 4Red+4Blue / 4Red+4Black / 4Blue+4Black / 3Red+3Black+2Blue/1Red+1Black+1Blue

• ️ Material: ABS plastic + tungsten carbide nib

• Applications: Hardware Marking • Wood Marking • Tile Marking • Glass Marking • Automobile Manufacturing Marking • Perforation Positioning

Product List

• Solid Color Set: 8 markers in Red/Blue/Black，1 markers in Red/Blue/Black

• Mixed Sets :

  • 4 Red + 4 Blue

  • 4 Red + 4 Black

  • 4 Blue + 4 Black

  • 3 Red + 3 Black + 2 Blue (Best Value)

  • 1Red+1Black+1Blue

Notice

1. Size Tolerance: 1-2 cm manual measurement error possible.

2. Color Variation: Actual colors may differ slightly due to lighting or screen displays.

Real-World Use Case

Auto Repair: Mark bolt specs inside 15mm engine holes with red ink – no disassembly needed!
Custom Furniture: Blue markers stay put on angled surfaces (anti-slip grip) for precise mortise measurements.