This is a high quality Japanese pen case and retractable ultra fine eraser and pen set made from cowhide leather carefully sewn by Japanese craftsmen.
Retractable eraser is made in Japan. The eraser has a 0.09 inch (2.3 mm) diameter and is convenient for erasing small areas.
The pen is 3 mecha pens (3 in 1 with a black red ballpoint pen and mechanical pencil).
An advanced mechanism that allows you to expose the purpose function by simply knocking the purpose function to the top of the pen axle straight horizontally.
Just touch the side button to release the function.
When using the mechanical pencil, knock the top part after exposing the sharp tip to activate.