EFFECTIVE HOLE MARKING The depth hole marker features an extended tip of 32 mm for easy marking in hard-to-reach areas. Suitable for sheet metal and various hardware projects. ENHANCED PRECISION Immersed in waterproof, quick-drying ink, it delivers sharp, precise markings. Oil-based inks resist fading and provide long-lasting marks on diverse surfaces. WIDE RANGE OF APPLICATIONS Streamlines marking work for position marks on wood, metal and glass. Ideal for furniture decoration, metalworking, and is widely used for shelves and lamp hole locations, as well as automotive manufacturing. IMPROVED PRECISION The pen body includes a 7 cm ruler to help with precise measuring and marking, improving workflow efficiency and accuracy. USE SCENARIOS - Mark hole centers for shelf brackets on metal frames or wooden panels to ensure precise drilling. - Mark drilling locations on wood panels during furniture assembly or cabinet construction. - Align and mark centers on glass or metal panels for decorative work or automotive component installation.