Features: Our 5Pieces Long Nib Marker Construction Pen is perfect for precise and effortless marking. The extended 20mm long head allows for deep hole marking, making it suitable for metal oil and waterproof applications. This marker pen features a line width of 0.7-1.0mm, ensuring clear and bold markings every time. Its fast drying and water resistant qualities make it suitable for various surfaces like wood, metal, and glass. Craftsmen, DIY enthusiasts, and professionals in furniture decoration, automobile manufacturing, and metal processing will appreciate the reliability and accuracy of our marker pen. It is a must have tool for anyone seeking accurate and efficient marking. Whether you're working on furniture decoration, assembling shelves, or drilling holes for lamps, our marker pen is designed to meet your needs. Its 20mm head tip ensures easy and accurate positioning, making your projects easy. Get precise results on wood, metal, glass, and more with our Long Nib Marker Pen. Marking positions in deep holes, metal processing, and other production tasks has never been easier. Bring your creative ideas to life with this versatile marker pen. Specifications: Material:Plastic Color: Black,Blue,Red1,Green; Head Tip: 20mm Line Length:Approx.129mm/5.08in Mark on the Surface of Wood, Metal, Glass, etc. Shipping quantity: 5pcs Package Includes: 5xLong Nib Marker Pen note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.