12PCS Black Ink Pen Refills, Replaceable Ballpoint Pen Refills, Metal Ballpoint Pen Refills, 1mm Point Pen Refills for Work School Writing Stationery Office Supplies (Black)

• What You Get : 12PCS x pen ink refills. each measures 3.9 inches / 9.9 cm in length, 1.0 mm centre point for smooth writing; A large quantity of biros refills are enough for your use; you can share them with classmates and colleagues.
• High Quality Material : The outer shell of the retractable ballpoint pen refill is made of reliable metal, durable and sturdy, and the inner ink is made of high quality material, which has high colour reproduction and even fluidity, so the refill is reliable and allows you to write or draw smoothly on paper.
• Good Performance : The replaceable black ink refills with a 1.0mm tip, allowing you to write or draw fine lines on paper, well suited for retractable ballpoint pens, convenient for you to replace, practical for reducing waste, able to save your time for choosing other pens.
• Convenient To Use : The ballpoint refill is portable and practical, convenient to carry, with a protective cover on the head of the refill, you can put it in your pocket without worrying about ink leakage, the pocket size is easier to store, also suitable for travel and business trips.
• Wide Application : The medium point metal refill is suitable for use in various scenarios, such as office, business, classroom, shops, school and home, etc.; It can even be given as a gift to friends, family, children and students.

Best writing quality: Black ink has smooth writing, waterproof, fast drying performance. The ink dries quickly to avoid stains, so the paper looks elegant and neat. Universal compatibility : The replacement ballpoint refill is compatible with many pens and helps to extend the life of your favourite expensive pen. Multipurpose: These refills are suitable for work, school, hotel, restaurant and various writing occasions; Beautiful refills for office supplies, school supplies, family use. Specification: Ink colour: Black & Blue. Tip: 1.0 mm. Length: 3.9 in. Please remove the wax tip cover of the new refill completely before inserting the new refill into the barrel of the pencil. Otherwise, the remaining wax tip cover may cause fitting and writing problems. Note Due to manual measurement, allow a deviation of 1 - 2mm. Please check our product size carefully and read the product size descriptions before purchasing to avoid possible unpleasant shopping experience. our customers to be 100% happy and satisfied. We are passionate about what we do and proud of the products we offer. If you have any questions or concerns, please don’t hesitate to contact us. We will reply within 24 hours!