Experience smooth and reliable writing with our ballpoint pen refill. The quick-drying blue ink ensures smear-free writing, allowing you to continue your work without any interruptions. Each refill contains a large-capacity ink supply, providing long-lasting performance that can withstand thousands of characters. The stainless steel nib and tungsten carbide ball offer durability and reliability, making it ideal for heavy use. With mid-tip and three-point support nib technology, these refills deliver smooth writing without skipping words. Compatible with various fountain pen brands, our blue ink refills offer a cost-effective solution to keep your favorite writing instrument in top condition. Elevate your writing experience with our versatile and high-quality pen refills. Item Name: Ballpoint Pen Refill Material: Metal Features: Portable, Practical, Durable Tip, Smooth Writing Size Details: Length: 11.6cm/4.57" (Approx.) Diameter: 0.2cm/0.08" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: Style 10Pcs: 10 x Ballpoint Pen Refills Or Style 20Pcs: 20 x Ballpoint Pen Refills Or Style 30Pcs: 30 x Ballpoint Pen Refills Or Style 40Pcs: 40 x Ballpoint Pen Refills