The Lumocolor 317 OHP Pen Perm 1.0 in black is a high-quality permanent marker specifically designed for labeling overhead transparencies. The pen's ink dries quickly and is smudge-proof and water-resistant. With a line width of 1.0 mm, the pen enables precise and clean writing on transparencies, plastic, and other smooth surfaces. The Lumocolor 317 OHP pen features a robust tip that retains its shape even with intensive use. The pen's transparent casing allows you to check the ink level at any time and replace the pen in a timely manner when the ink is running low. Thanks to the special cap-off technology, the pen can be left uncovered for up to 24 hours without the ink drying out. The Lumocolor 317 OHP Pen Perm 1.0 black is ideal for professional use in offices, schools, or presentations. Its intense color ensures legible writing on projection surfaces and other transparent media. The pen sits comfortably in the hand and allows for fatigue-free writing over extended periods. Discover the high quality and versatile applications of the Lumocolor 317 OHP pen!