20.15 mm elongated nib reaches deep holes and narrow gaps for detailed marking
Fast-drying, waterproof ink prevents smudging and fading for clear, reliable results
Premium PP body offers durability and comfortable grip for precise control
Fade-resistant ink ensures markings remain visible over time
Works on multiple surfaces including metal, concrete, glass, wood, and plastic
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Deep Hole Marker Pen
Precise Marking for Tight & Hard-to-Reach Spaces
✏️ Long Nib for Deep Hole Marking
Designed with a slim, elongated nib measuring 20 × 1.5 mm, this deep hole marker easily reaches narrow gaps, tight corners, and recessed holes. Perfect for marking drilling positions or writing inside small spaces