Shachihata BLOX aqueous sign pen fluorescent

Select the writing tools you use often, connect them, and carry them all together!
Multiple pens are connected. Get together.
A concatenated writing tool with an uneven pattern on the two sides of a triangular body. Concave and convex surfaces can be connected, and frequently used writing tools can be compactly carried around.
Write notes in fluorescent colors that stand out for important words and points in class! A fine print type that makes it easy to write letters and lines.