Features: 1. **Quick-Drying Formula**: Our Waterproof Long Nib Marker features a fast-drying oil-based ink that ensures your markings are ready to go in no time, perfect for efficient woodworking and crafting. 2. **Versatile Marking**: Designed to work on a variety of surfaces including wood, metal, glass, and plastic, this marker is ideal for all your marking needs, whether indoors or outdoors. 3. **Precision Long Nib**: The long nib allows for precise marking in tight spaces and narrow gaps, making it easy to reach difficult areas without hassle. 4. **Waterproof Durable**: With its waterproof and moisture-proof properties, your markings will remain bright and lasting, even in challenging environments. 5. **Easy to Use**: Simply shake, press the nib, and mark! The user-friendly design ensures smooth ink flow and easy application, making it suitable for both professionals and DIY enthusiasts. Our Long Nib Marker contain Solvent, Glyceride, 2-Pyrrolidone. It can adapt to narrow gaps, convenient for you to mark in a small space, and can dry quickly, without leaving traces; And waterproof and moisture-proof, marking color bright and lasting. Its use method is very simple: after ensuring that the marking surface is free of oil and dust, shake the pen body and press the nib to let the ink flow, ensure that the ink runs smoothly, insert the nib into the deep hole or slit to mark the circle, and ensure that the cap is sealed to prevent the ink from drying. Can mark most dry and dust-free surfaces such as aluminum, metal, concrete, glass, wood, plastic.