※ Please be sure to read the product description. ※ This product is priced as a single item. If you purchase it with other items, it can be offered at the following price if the conditions are met. This is a replacement nib unit for Kaweco fountain pens. Compatible with AL Sport, AL Sport Aluminum, AL Sport Stone Washed, Special, Steel Sport, Student, AC Sport, DIA, Brass Sport, Liliput, Art Sport, and Titanium Sport. Currently available nib widths are EF, F, and BB for both gold and silver nibs. ※ This item can be purchased for 6,000 yen only if you purchase the above-mentioned fountain pen from us and have it shipped together. In that case, we will exchange the nib for you, so please be sure to contact us if you do not need the exchange. If you choose the exchange option, we will send you the original unit and box (you will receive two nibs and two boxes).