Lumoia 12PCS Long Nib Marker Pens, 20mm Deep Hole Marker Pen Waterproof Quick Dry Construction Permanent Marking Tool Colorfulfor Woodworking Metal Carpenters Builders Hardware (Black/Blue/Red/Green)

• Precision Deep Hole Marking: Featuring a 20mm long nib, these long nib marker pens effortlessly reach deep holes and hard-to-access areas, making them an essential marking tool for carpenters, builders, and DIY enthusiasts
• Versatile Multi-Surface Application: Designed for diverse materials, our waterproof marker pens provide clear, smudge-resistant lines on wood, metal, glass, plastic, and tiles, perfect for hardware processing and home decoration
• Quick-Drying & Waterproof Ink: The high-quality ink dries rapidly and resists water, ensuring your waterproof carpenter pen remain visible and permanent even in tough construction environments or outdoor settings
• Comprehensive 4-Color Set: This 12-piece 20mm deep hole marker set includes black, blue, red, and green markers, allowing you to color-code different tasks, materials, or drill holes for improved organization and efficiency on the job site
• Long-lastiing & Reliable Design: Built with a robust shell and a sturdy jumbo point, these long nib markers withstand rigorous use in metal processing, automobile manufacturing, and daily woodworking projects

Product Name: Deep Hole Marker Pen Set Color: Red, Blue, Black, Green Quantity: 12Pcs pens Size: Approximately 14 x 1.5cm with a 20mm long nib Material: PP plastic shell, carbon steel nib, waterproof quick-drying ink Function: Designed to mark hard-to-reach areas, corners, and deep holes with precision, suitable for wood, metal, glass, and plastic surfaces Purpose: Ideal for DIY enthusiasts, professional carpenters, and industrial use, perfect for furniture decoration, industrial marking, and workshop projects where precision and convenience are essential