Pack of 5 black 0.5 mm ballpoint replacement refills — brand , quality. Key benefits Reliable, consistent writing: 0.5 mm ballpoint delivers precise, fine lines for clear handwriting and detailed notes. Smooth performance: engineered for minimal skipping and steady ink flow, reducing interruptions while you write. Ready spares: five refills let you empty cartridges immediately, so you always have a working pen available. Specifications Quantity: 5 refills Ink color: Black Tip size: 0.5 mm ballpoint Condition: Brand replacement refills Function: Direct replacement refill for pens that accept 0.5 mm ballpoint cartridges Why you need this Keeps your pen performing like without buying a whole replacement pen. Fine 0.5 mm tip is ideal for neat handwriting, annotations, and situations where precision matters. Having multiple refills reduces downtime and ensures continuity for work, study, or projects. Practical use scenarios Office: depleted refills for everyday tasks such as signing documents, taking meeting notes, and filling forms with consistent, professional results. Study and exams: Fine 0.5 mm tip helps create readable answers and precise diagrams without smudging or blotting. organization: Ideal for journaling, planners, and detailed lists where clarity and neatness matter. Compatibility and installation Suitable as a replacement for pens that use standard 0.5 mm ballpoint refills. Simple to install — remove the old refill and insert the cartridge. What's included Five brand black 0.5 mm ballpoint replacement refills. with confidence if you want precise, dependable writing performance and a ready supply of replacement refills for pens that accept 0.5 mm ballpoint cartridges.