For those having trouble because the genuine product is discontinued: This is a cap-type refill (compatible product). [Product Name] Louis Vuitton style Ballpoint Pen Refill Compatible refill for Louis Vuitton rollerball pens Pen Model: Cap type Tip: Rollerball Quantity: 2 Ink: Blue (water-based) Writing: F (Fine) Size: Total length approx. 112mm, shaft diameter approx. 5.8mm Price: 2600 yen ・No discounts ・Size may vary slightly depending on the manufacturing lot. ・Ink color: Blue *Please check the refill you have. Louis Vuitton refills are here ↓ [Please Read] ・This is not a genuine product. ・Even with the same model name, there are refills with different shapes (for oil-based ballpoint pens). ・I do not know the compatibility of individual models except for Jetlack. ・Even if the shape and dimensions of the refill are similar, there is no guarantee that it will fit other brand pens, so please refrain from purchasing. If it doesn't fit properly, or if you accidentally purchase the wrong one, we offer returns, so please send a message before the evaluation process. The buyer is responsible for the return shipping cost (84 yen stamp). If you understand the above, a masterpiece will be revived if it fits.