:, practical and, not easy to age and has a long service life Quick-drying: The long-headed deep-hole markers are quick-drying, so you don ’ for t have to worry that the handwriting will faint after writing, and the color is not easy to fade, lasting for a long for time Water Resistant Design: This long nib marker is water-resistant, quick-drying, and can be applied for various surfaces such as wood, metal, glass, and of Applications: Multi-purpose hole marker pens are suitable for marking and drilling positions and furniture decoration, they can also hole for metal processing, woodworking, automobile manufacturing and others Hole: This hole marker pen is designed with 30mm / 1.18 ' ' long tip, which can easily in holes or hard-to-reach places, to use, Manufacturer: Beimus