- Long Head Deep Hole Marker Pens: Specifically designed for carpentry and construction professionals, these marker pens feature a 20mm long nose that allows for precise marking in hard-to-reach areas, including deep holes and tight spaces where standard markers fail to perform. - Durable Material: Constructed from high-quality PP material, these marker pens resist aging and ensure longevity. The quick-drying and waterproof ink dries rapidly, preventing smearing or smudging when marked items are touched or moved. Outdoor use is reliable, as markings remain visible even in rainy or humid conditions. - Ideal for Crafting and DIY: The long tip of these deep hole marker pens is perfect for crafting and DIY projects. It easily reaches difficult areas, delivering clear and bold marks. Whether you're working in tight gaps or deep recesses, this marker ensures precision and efficiency in every project. - Permanent Markers: The combination of quick-drying and waterproof ink enhances performance across various environmental conditions, significantly reducing the need for remarking. The ink dries quickly, making it suitable for both outdoor humid conditions and fast-paced indoor tasks. Applications: - Marking deep holes in construction frameworks or furniture assembly. - Creating precise lines and measurements in woodworking projects. - Ensuring visibility and accuracy in DIY renovations or crafts.