Practical: The long nib design of woodworking pens is different from other markers; it can easily mark deep holes or areas that are difficult to reach with ordinary markers, making your woodworking easier. PREMIUM MATERIAL: This woodworking pen is made of high-quality material, which is strong and reliable, and has a long service life; the nib is thin and round, which is convenient to operate. Bundle includes: You get 8 multipurpose deep hole pens, 3 different colors, red, blue and black, 3 black and red, 2 blue; enough quantity for your use and replacement, you can Share with colleagues and friends. Right Size: With an overall length of 137mm/5.4inch, this versatile deep hole marker has a 20mm/0.8inch long tip for easy marking in deep holes or hard to reach areas, easy to use and easy to carry. Versatile Uses: This long nib deep hole pen is suitable for various surfaces such as wood, metal, glass and plastic, suitable for home decoration, hardware processing, automotive manufacturing, industrial processing, etc., Manufacturer: Knadgbft