The TAMO DEEP HOLE MARKER BLACK is specifically designed for businesses and construction professionals who value accuracy and durability. This deep hole marker combines a reasonable price with uncompromising quality, making it an unbeatable tool for demanding conditions. This marker pen is more than a regular marker. Its thin, long nib reaches easily into tight and hard-to-access places, such as drilled holes or narrow gaps, saving you time and effort. The waterproof and fast-drying ink ensures the mark withstands tough conditions. The mark won't smear or fade. This permanent marker is suitable for various surfaces, including wood, concrete, metal, and plastic. It adheres to both glossy and rough surfaces, making it an indispensable tool. The 3 mm round nib creates a clear, permanent mark that is always visible. The TAMO Deep Hole Marker is the professional's choice. It is an indispensable tool for electricians, plumbers, and carpenters who need precise markings in confined spaces.