Funver 12PCS Long Nib Marker 45mm Deep Hole Marker Pens Permanent Waterproof Ink Heavy-Duty Construction Markers for Wood Metal Plastic Carpentry Metalworking

• 【Long Nib Reach】 Equipped with an ultra-long 45mm nib, these deep hole marker pens provide effortless access to narrow gaps, screw holes, and deep machined grooves, ensuring precise marking in hard-to-reach areas for carpenters and metalworkers.
• 【Waterproof Durability】 Formulated with oil-based permanent ink, this waterproof construction marker delivers bold, smudge-proof marks that resist water and oil penetration, maintaining legibility on wood, metal, plastic, and concrete in demanding environments.
• 【Heavy-Duty Build】 Designed with a sturdy plastic body and a comfortable grip, these heavy-duty marking pens withstand rigorous job site use, offering reliable performance as a carpenter marking tool and metal marking pen for industrial applications.
• 【Versatile Application】 Serving as a long nib marker and precision marking tool, this set excels in furniture making, automotive manufacturing, plumbing layouts, and DIY projects, providing clear lines on diverse surfaces including ceramic and glass.
• 【Practical Convenience】 Each long reach marker features a pull-cap with a practical clip for secure portability, while a built-in 45mm ruler on the barrel allows quick measurements, enhancing efficiency for construction and renovation tasks.

Designed for professionals and DIY enthusiasts, this 12-piece set of long nib markers combines precision, durability, and versatility. The extended 45mm nib allows effortless marking in deep holes, narrow crevices, and confined spaces where standard markers cannot reach, making it ideal for carpentry, metalworking, and construction applications. Each deep hole marker utilizes oil-based permanent ink that dries quickly and resists water and oil exposure, ensuring long-lasting legibility on demanding surfaces such as wood, metal, plastic, concrete, and ceramic. Built for heavy-duty use, the marker body features robust plastic construction with an ergonomic grip, reducing hand fatigue during extended tasks. The waterproof construction marker serves reliably in both indoor and outdoor environments, from framing and pipe marking to automotive fabrication and furniture assembly. A practical pull-cap design with an integrated clip enables secure attachment to tool belts or pockets, while a built-in 45mm ruler on each barrel offers added convenience for quick reference during layout work. This versatile set functions effectively as a carpenter marking tool, metal marking pen, and general precision marking tool for renovation projects. Whether marking electrical lines, positioning hardware, or detailing joinery, the long reach marker ensures clean, smudge-proof results. Product Specifications Tip Length: 45mm Ink Type: Oil-based, permanent, waterproof Applicable Surfaces: Wood, metal, plastic, glass, concrete, ceramic Body Material: Sturdy plastic with ergonomic grip Features: Built-in 45mm ruler, pull-cap with clip Package Includes 12 x Long Nib Marker Pens