This is a drafting tool called "karasuguchi" (ink pen). Made in Japan. Karasuguchi is a drafting tool that draws uniform lines by holding ink between the tips of the blades. It has been used for architectural drawings, mechanical drawings, and design work. Currently, it is popular not only for practical use but also for calligraphy and art creation. --------All prices are listed------- *Bulk sales are also possible. Please comment if you are interested. *Specific product requests are not accepted. 【Condition】 ・With box ・Unused, but with some deterioration Please check the condition in the photos. I will add more photos if you comment. 【Please Note】 Please consider purchasing only if you understand that this is a used item.