Deep Hole Long Needle Marker Pen – Waterproof 20mm Tip
Long Needle Marker Pen for Deep Holes – Waterproof & Versatile
Tackle even the trickiest marking jobs with this Deep Hole Long Needle Marker Pen. Featuring a 20mm extended pen tip, it reaches into narrow screw holes, drilled cavities, recessed surfaces, tile gaps, and tight woodworking joints where standard markers simply can't go. Whether you're a plumber, woodworker, tiler, or DIY enthusiast, this is the reliable marking tool you've been missing.
Key Features
- Extended 20mm Needle Tip: Designed to reach deep holes, recessed metal surfaces, screw holes, and narrow gaps with precision — no guesswork, no missed marks.
- Waterproof Ink: Quick-drying, waterproof formula resists smudging and bleeding, keeping your marks clear and legible even on damp surfaces like bathroom tiles or outdoor wood.
- Vibrant Colors: Available in Red, Black, and Blue — bold, high-visibility ink ensures your marks stand out on light and dark materials alike.
- Comfortable Grip: The ergonomically shaped plastic barrel is easy to hold for extended marking sessions, reducing hand fatigue.
- Multi-Surface Use: Works on wood, metal, plastic, tile, concrete, and more — truly versatile for the job site or workshop.
- Compact & Portable: At 135mm in total length, it fits easily in a tool belt, apron pocket, or toolbox.
Specifications
- Material: Plastic
- Colors Available: Red, Black, Blue
- Total Pen Length: 135mm
- Pen Tip Length: 20mm
- Function: Waterproof marking and writing
- Quantity: 1 x Marker Pen
- Made in China
Who Is This For?
This long needle marker pen is ideal for:
- Woodworkers – mark screw hole positions, drill depths, and cut lines inside cavities
- Plumbers & Pipefitters – mark pipe positions and fitting points inside tight spaces
- Tilers – mark tile cut lines in grouted joints or narrow recesses
- General DIYers – any project that requires a reliable, waterproof mark in a hard-to-reach spot
Looking for more workshop and DIY essentials? Check out our Garden Pruner Shears – Secateurs for Bonsai & Fruit Trees and our Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar for more must-have tools.
Note: Due to differences in monitor calibration and photo angle, slight color variation may occur. All measurements are hand-measured; a ±2–5% deviation is normal.
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Frequently Asked Questions
Q: What surfaces can the deep hole marker pen write on?
A: This waterproof long needle marker pen works on a wide range of surfaces including wood, metal, plastic, tile, concrete, and stone. Its quick-drying, waterproof ink is designed to stay visible even on porous or slightly damp materials, making it ideal for woodworking, plumbing, tiling, and general construction marking tasks.
Q: How long is the needle tip, and why does it matter?
A: The needle tip measures 20mm in length. This extended tip is specifically designed to reach inside deep screw holes, drilled channels, pipe fittings, and narrow tile joints where a standard marker tip cannot physically reach — ensuring accurate marks every time.
Q: Is the ink waterproof and smudge-resistant?
A: Yes. The ink used in this deep hole marker pen is waterproof and quick-drying, which means it resists smudging, bleeding, and water exposure. This makes it especially useful in bathrooms, kitchens, outdoor projects, and other environments where moisture is present.
Q: What colors does this marker pen come in?
A: This marker pen is available in Red, Black, and Blue. All three colors offer vibrant, high-visibility ink suitable for marking on both light and dark materials.