Long Nib Deep Hole Marker Pen – 20mm Waterproof Marking Tool
Long Nib Deep Hole Marker Pen – Waterproof & Multi-Purpose
Take your marking game to the next level with this Long Nib Deep Hole Marker Pen. Designed with an extended 20mm nib, it reaches effortlessly into drilled holes, recesses, slots, and tight spaces that standard markers simply can't access. Whether you're working on metal, wood, tile, or plastic surfaces, this versatile marker delivers clean, precise, waterproof lines every time.
Perfect for woodworking joints, plumbing and bathroom installations, metal perforating, tile work, and general home DIY projects — this pen is a must-have addition to any toolbox or workshop.
Key Features
- Extended 20mm Long Nib: Reaches deep into holes, grooves, and channels for accurate marking in hard-to-reach spots
- Waterproof Ink: Marks stay visible even on damp surfaces — ideal for bathrooms, outdoor woodworking, and plumbing work
- Multi-Surface Use: Works on metal, wood, tile, plastic, and more
- Durable Construction: Made from sturdy plastic and metal components for long-lasting everyday use
- Comfortable Grip: Ergonomic barrel design (14.1 cm / 5.55 in) for steady, controlled marking
- Available in 5 Colors: Black, Blue, Green, Red, and White — easy to color-code your projects
Specifications
- Material: Plastic + Metal
- Length: 14.1 cm / 5.55 in
- Nib Depth: 20mm
- Colors Available: Black, Blue, Green, Red, White
- Package Includes: 1 × Long Nib Deep Hole Marker Pen
- Country of Origin: Made in Mainland China
What Can You Use It For?
This long nib marker is an ideal companion for a wide range of tasks:
- Marking drill-hole centers on metal, wood, or tile
- Woodworking joinery and dowel placement
- Plumbing and bathroom pipe marking
- Home DIY assembly and renovation projects
- Decorative scoring and layout work
Pair this marker with other handy workshop and home tools from our store:
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Note: Photos may not reflect actual size — please refer to the specifications above. Allow 5–10mm tolerance due to manual measurement. Colors may vary slightly between monitors and actual product.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: How deep can the long nib marker reach into a hole?
A: The long nib on this deep hole marker pen extends approximately 20mm, allowing it to mark inside drilled holes, recesses, and channels that standard markers cannot reach.
Q: Is this marker waterproof enough for use in bathrooms or on wet surfaces?
A: Yes! This marker uses waterproof ink, making it suitable for damp environments such as bathrooms, as well as outdoor woodworking and plumbing applications where moisture is a factor.
Q: What surfaces can this long nib marker write on?
A: This versatile marking pen works on a wide range of surfaces including metal, wood, tile, plastic, and more — making it a great multi-purpose tool for home DIY, woodworking, and construction projects.
Q: How many pens are included in one purchase?
A: Each order includes 1 long nib deep hole marker pen. It is available in five color options: Black, Blue, Green, Red, and White.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.