MengRan 3.85'' Ballpoint Ink Pen Refills for Click Pens, 1 mm Medium Point Tip, (Refills-Blue ink-10Pcs)

SMOOTH WRITING: Featuring a medium point and three point supporting pen tip technology, these refills glide smoothly across the page without skipping. 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. OIL-BASED INK : Crafted with premium oil-based ink, this pen refill delivers smooth, skip-free writing while ensuring exceptional water resistance. 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. COST-EFFECTIVE REFILLS: these black ink refills provide a cost-effective way to keep your favorite writing instruments in continuous service. Please measure the lenght of your click pen refill: about 98mm(3.85inches).