25PCS Long Nib Marker Pen, Deep Hole Marker, and Pencil Drafting on Wood, Metal, Plumbing (Assorted Colors)

Professional Marking for Diverse Materials: This set of 25 deep hole markers is your ultimate solution for permanent marking on wood, metal, plastic, and ceramic. The long nib marker pen effortlessly reaches into recessed holes, grooves, and other hard-to-access areas in woodworking, DIY projects, and industrial assembly, ensuring precise lines every time. Extra-Long 20mm Nib for Deep Access: Featuring a specialized 1mm diameter, 20mm long nib, this tracer marker pen is engineered specifically for deep hole marking. Its extended reach bypasses obstructions, allowing you to mark the bottom of drill holes, inside pipes, or behind fixtures with unparalleled ease and accuracy. High-Quality, Quick-Drying Ink: Filled with premium, quick-drying, and low-odor ink, these marker pens produce smudge-resistant and waterproof marks. The opaque ink is highly visible on both light and dark surfaces, ensuring your guidelines, labels, or assembly notes remain intact during handling, machining, or storage. Durable Construction & Organized Use: Each deep hole marker is built for longevity. Remember to cap tightly after use to prevent drying. The practical 5-color set (Black, Red, Blue, Green, White) enables efficient color-coding for different projects, components, or depth measurements, boosting workflow organization. Exceptional Value Bulk Pack:You receive 25 pieces of professional-grade long nib marker pensin a versatile color mix. This abundant quantity is perfect for workshops, garages, or construction sites, providing long-term supply, minimizing downtime for replacements, and offering outstanding value for all your marking needs.