Lyra-Ink Deep-Hole Marker Black 1 mm, LahtiPro

The Lyra-Ink deep-hole marker in black, with a 1 mm line width, is a marking pen for deep drilled holes and hard-to-reach holes and areas. This LahtiPro marking pen has permanent ink and a hardness of 2B.

The marker reaches into holes up to 35 mm deep and up to 4.5 mm in diameter. The marking cannot be removed from the surface. Writing and marking work very well on stone and concrete, well on dry wood, metal (not hot) and plastic, and adequately on ceramic tiles and glass.