SUPREME DIA 〈3〉 MADE IN JAPAN 3-piece set Pen nibs only, no other accessories included. These are pen nibs from old fountain pens. Due to lack of product knowledge, details such as the age, material, and compatible pen bodies are unknown. Whether they are actually usable is also unknown. For those who like old items, are looking for parts for remaking, or are searching for components, please consider purchasing. Please refer to the photos for the external condition. Due to long-term storage, there are scratches, some dirt, and discoloration. Please refrain from purchasing if you are nervous or concerned about details. Returns and exchanges are not accepted. Recycled materials are used for packaging. As this is a personal sale, receipts cannot be issued. Thank you for your understanding.