| Product Name | Joule Harry Potter Slytherin Fountain Pen |
| Pen NIB | F (Fine) |
| Body / CAP | Brass |
| Accessories | Converter / Leather Sheath |
| Product Code | WBHP-JFP-2539 |
| JAN Code | 818351006097 |
| Suggested Retail Price (Before Tax) | 37,000円 |
| Release Date | Friday, November 21, 2025 |