Chalk Ink marker in fluorescent blue (Laser Beam Blue). 6 mm chisel angeled tip.
What is a chalk marker?
Chalk Ink marker is a high quality chalk marker. Chalk Ink doesn't break or get messy after the ink has dried. Doesn't break or get messy after the ink has dried. Cleans up with water (if needed, use alkaline detergent).
Always test the area you want to use the pen on, cleaning up is harder from porous and rough surfaces. You can use Chalk Ink on glass, metal, mirror, windows and plastic - suits best for non-porous surfaces.
Check out a video about Chalk Ink.
Click the picture for a larger version.