Mitsubishi Uni Oil-Based Pen Refills - Student Ballpoint, 0.38MM/0.5MM/0.7MM

These oil-based pen refills are designed specifically for precision writing, offering a smooth and consistent ink flow ideal for students. Available in three tip sizes—0.38mm, 0.5mm, and 0.7mm—these refills cater to various writing preferences, enabling crisp and clear lines. Compatible with select ballpoint pens, they ensure a professional writing experience, making them an excellent choice for note-taking, assignments, and exams. These refills are perfect for those who value reliability and quality in their writing instruments. Part Number: SXR-80 Packing: Plastic packaging Line width: 0.7mm Suitable: ballpoint pen Manufacture country: China Instructions included: No