Designed for precision and durability, our long head deep hole marker pens are great for carpenters and construction workers. The oil-based ink is resistant to water and oil, ensuring your marks remain visible in any environment. The long, narrow tip is ideal for reaching deep holes and tight spaces, making it easy to mark even the most challenging areas. These markers are great for drawing lines, marking measurements, and creating detailed patterns on wood, metal, and other materials. Their quick-drying formula ensures your work is professional. Features -Color:Assorted Color -Material:Plastic and carbon steel -Size:14.00X1.00X1.00cm/5.50X0.39X0.39in -Multisurface marking: this pen is great for marking on a variety of surfaces, including metal, wood, glass, and plastic, making it a versatile tool for any project -Colorcoded: available in 5 distinct colors, this pen set allows for easy marking and differentiation, helping you stay organized and efficient - : the fine tip, measuring 5 mm wide and 20 mm long, is designed for marking deep holes and hardtoreach areas with ease and precision -Robust design: the pen's quickdrying, waterproof, and oilresistant ink ensures it can withstand tough industrial environments, making it ideal for furniture making, hardware processing, and automotive manufacturing -Usage instructions: 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)