NORXUAZE 4 pcs black Long Nib Deep Hole Marker Pen - 45mm Extra-Length Tip for Precise Marking, Refillable Water-Resistant Construction Marker, Heavy-Duty Carpenter Pen for Woodworking & Plumbing

• 【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.
• 【Refillable Ink System】 Openable ink chamber allows manual refilling with most oil-based marker inks. Protective cap with inner seal helps prevent ink drying when left uncapped for short periods.
• 【Water & Oil Resistant Ink】 Quick-drying formula maintains clear marks on damp wood, metal surfaces, and plastic pipes. Resists smudging from light water exposure and grease contact. 
• 【Practical Design Features】 The long nib marker pens come with a sturdy pen hat clip and an ergonomic design for comfortable grip. This construction marker pen can be easily carried around in pockets or bags, providing a simple marking experience anytime, anywhere.
• 【Multi-Surface Compatibility】 Works on wood, PVC, drywall, and unfinished metal. Suitable for home repairs, cabinet installation, bathroom renovations, and basic automotive maintenance tasks.

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)