A line marker that will help you study.
Marker and pen in one Line markers that draw underlines at the same time.
Make important characters stand out easily

Convenient twin type.
Twin type with underline line and fine point pen.
The line marker has a gentle color that makes it easy to read the letters below.
The fine point pen has a crisp color that makes your writing stand out.

Fine point pen with fine writing
Line width is approximately 0.02 inches (0.4 mm) for easy writing.
Red is for score and orange can be used as a memo pen (disappear with red sheet).
Crush-resistant plastic tip
Uses a different ink color than a line marker.
Superior water and light resistance, so even if you draw a marker from the top, it won't bleed through.