SMOOTH WRITING: Featuring a medium point and three point supporting pen tip technology, these refills glide smoothly across the page without skipping. LONG-LASTING INK: Constructed with a large ink capacity, each refill provides dependable writing performance for thousands of characters before needing replacement. QUICK DRYING INK: The fast-drying blue ink ensures your writing won't smudge, so you can immediately start a new task without waiting for pages to dry. DURABLE TIP: Crafted with a stainless steel nib and tungsten carbide ball, the writing tip is built to withstand heavy usage without wearing down prematurely. VERSATILE REFILLS: Sized to fit pens from many popular brands, these blue ink refills provide a cost-effective way to keep your favorite writing instruments in continuous service. These MengRan pen refills are perfect for keeping your favorite pens writing smoothly. A pack of 10 blue ink refills with a medium point allow for versatile use. Each refill features a three point supporting pen tip that glides across the page, laying down ink in a continuous dark line. The quick drying blue ink means no more smears or smudges on your hands. With a large ink capacity and extra long writing length, you'll get reliable writing for thousands of notes, lists, and documents. Crafted with premium materials, the stainless steel nib and tungsten carbide ball ensure crisp, consistent performance session after session. Stock up now and never worry about running out of refills for all your important writing tasks.