About this item High-Quality Gel Refills: 5-pack refills to ensure you don’t run out of the finest ink Dimensions: The length of the pen refill 3.9 inch(9.9 cm), 0.5mm medium point for smooth writing; Note: Please check the size before purchasing Quantity: Black Ink Refill Pack of 5, a large amount of pen refills are enough for your use; You can share with classmates or friends Good quality: lightweight and smooth writing; Ink quickly dries with a consistent ink flow, won't bleed through, help extend the life of your favorite expensive pen Fit various writing occasion: G2 gel ink refills is suitable for office, business, school and home etc.; Small and portable, convenient to carry.If you pair with other brands of pens, carefully compare the look and dimensions of the refill to match the original refill before purchasing