【45mm Extended Nib for Deep Marking】 45mm/1.77" slender nib with 2mm tip specifically designed for marking in drill holes, pipe interiors, and narrow wood joints where standard markers cannot reach. Long Nib Deep Hole Marker Pen - 45mm Extended Tip Refillable Marker for Woodworking & Plumbing

Key Features:
Professional marking tool designed for narrow spaces, ideal for carpentry, pipe fitting and DIY projects.

• 【45mm Extra-Length Nib】
  Slender tip reaches into drill holes (up to 45mm deep) and pipe interiors for precision marking
• 【Refillable Design】
  Screw-open ink chamber accepts oil-based refills, sealed cap helps reduce ink drying (recommend recapping after use)
• 【Water-Resistant Ink】
  Quick-dry formula maintains clarity on damp surfaces, withstands light wiping and grease contact
• 【Practical Construction】
  Non-slip grip works with gloves, belt clip allows tool pouch storage (154mm overall size)
• 【Multi-Surface Use】
  Effective on wood, PVC pipes, drywall and bare metal surfaces. Common applications:
  ✓ Drill hole positioning ✓ Pipe cutting guides
  ✓ Hidden joint marking ✓ Equipment maintenance labels

Specifications:
Nib Length: 45mm
Diameter: 3mm
Ink Type: Oil-based pigment
Barrel Material: ABS plastic
Weight: 63g (with ink)