These long head deep hole marker pens are designed to meet the needs of carpenters and construction workers. The oil-based ink is quick-drying, waterproof, and oil-resistant, providing reliable marks on wood, metal, and other surfaces. The extended tip allows for easy access to deep holes and tight spaces, making it great for detailed marking tasks. Whether you're working on a large construction project or a small woodworking job, these markers ensure precision and durability. Their versatile design makes them an essential tool for any professional or DIY enthusiast. Features -Color:Assorted Color -Material:Plastic and carbon steel -Size:14.00X1.00X1.00cm/5.50X0.39X0.39in -Versatile marking: this pen is ideal for marking on a variety of surfaces, including metal, wood, glass, and plastic, making it a musthave tool for carpentry and construction. -Color options: available in 5 different colors, this pen set allows for easy marking and differentiation, helping you stay organized and efficient. - : the fine tip, measuring 5mm wide and 20mm long, is designed for marking deep holes and hardtoreach areas with precision and accuracy. - ink: the pen's quickdrying, waterproof, and oilresistant ink ensures it can withstand tough industrial environments, making it suitable for furniture making, hardware processing, and automotive manufacturing. -Usage caution: to prevent the pen tip from deforming, avoid pressing it down while writing, ensuring accuracy and performance. Package list: 10 x Deep Hole Marker Pens(2 x 2 x red + 2 x blue +2 x green +2 x white)