Enhance your writing experience with the Pentel Energel 0.7 Refill Ink. This ink is designed to flow smoothly and evenly, ensuring excellent writing performance. The box contains six black and six blue pens, which are perfect for a variety of uses, from note taking to creative writing.

The Pentel brand is known for its quality products, and this ink is no exception. It is compatible with BL57 and BL77 pens, and its refill design ensures that you can easily refill your pen without having to purchase a whole new one. Whether you're a student, professional, or anyone who loves to write, this ink is sure to meet your needs.