8 PCS Long Nib Marker Pen Waterproof Construction Marker Pens,Multi-Purpose Deep Hole Pens Drill Hole,Colorful Marking Carpenter for Woodworking And Carpenters Builders Hardware(Black/Blue/Red/Green)

Versatile and Durable: Our multi-purpose deep hole markers are made with a robust and wear-resistant PP shell and carbon steel nib, making them perfect for a variety of industries, including metal processing, wood processing, glass industry, plastic industry, automobile manufacturing industry, and more.

Convenient Size: Measuring approximately 14 x 1.5cm/ 5.5 x 0.6 inches, with a 20 mm long nib, our deep hole markers can be applied to marker deep holes or wherever is hard to reach, providing carpenters with much more convenience.

Four Ink Colors: Our markers come in four different ink colors - red, blue, black, and green - making it easy to mark different materials and surfaces.

Waterproof and Quick-Drying: Our long nib markers are water-resistant, quick-drying, and can be applied to various surfaces such as wood, metal, glass, and plastic.

Perfect for Home and Professional Use: Whether you're a DIY enthusiast or a professional carpenter, our multi-purpose deep hole markers are perfect for marking location and furniture decoration, providing you with the convenience and versatility you need to get the job done right.