INBOLM 5 Pcs Pen Refills, Cross Pen Refill, Replaceable Ballpoint Pen Refills, Black Refills, Standard Medium Point Metal Pens Refills Suitable for Most Ball Point Pens - Easy to Install

Exceptional Compatibility: These pen refills are specially designed for pens, ensuring seamless compatibility for a smooth and reliable writing experience. Smooth and Consistent Ink Flow: Enjoy a consistent and uninterrupted writing flow with the high-quality ballpoint pen refills. Each stroke effortlessly glides across the paper, providing a satisfying writing experience. Long-Lasting Performance: With an extended ink capacity, these cross pen refill offer long-lasting performance, minimizing the need for frequent replacements. Keep writing without interruptions! Fade-Resistant and Waterproof: The ink used in these pen refills is fade-resistant and waterproof, ensuring that your writings withstand the test of time and remain vibrant and legible. Easy to Install: Changing your ballpoint pen refills is a breeze. Simply remove the old refill and insert the new one into your pen, saving you time and effort.