Shachihata BLOX stick eraser

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.
You can use the corners of the triangle to pinpoint and erase small details.
You can use the sides of the triangle to erase a wide area at once.
A stick eraser for sliding out.