- Multipurpose Set: This set of 4 deep hole marker pens is perfect for a variety of applications, including bathroom projects, woodworking, and home decoration. Whether you're marking on tiles, wood, or other surfaces, these pens are designed to meet your needs. - Long Nib Head: Each pen features a long nib head that allows for precise and detailed marking. This design is ideal for reaching into deep holes and tight spaces, ensuring accuracy in every stroke. - Waterproof Ink: The ink is waterproof, providing long-lasting and smudge-resistant markings. You can trust that your markings will remain clear and legible, even in wet conditions or over time. - Vibrant Color Options: Available in red, black, blue, and green, these pens offer excellent visibility for all your marking needs. Choose the color that best suits your project for enhanced clarity. Use Scenarios: - For woodworking, easily mark measurements on wood surfaces without worrying about the ink fading or smudging. - In bathroom renovations, use the pens to clearly outline areas for drilling or installation, ensuring precision in your work. - For decorative projects, create bold designs and patterns on various materials, making your creative vision come to life. With these features, our deep hole marker pens stand out as an essential tool for DIY enthusiasts and professionals alike. Experience reliable performance and versatility in every project.