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.