Welcome to our store! DIMENSIONS - 10 pack replaceable black pen refills, standard compatible refills, refill length is 4.3 inch/ 11 cm, medium tip 0, 04 inch/ 0.5 mm ENJOY A SMOOTH WRITING EXPERIENCE - Our high-quality ballpoint pen produces a stable and reliable ink flow! You can use it on any type of paper, guaranteed to deliver strong, even and unbroken lines APPLICABILITY - Our ballpoint pen refills are compatible with gel ink used in 90% of pen brands in the world SUITABLE FOR DIFFERENT WRITING OCCASIONS - The ballpoint pen refill is suitable for office, business, school and home etc. Small and portable, convenient to carry WE ARE HERE FOR YOU - We pride ourselves on the absolute quality of all of our office supplies, but for any reason if you are not completely satisfied, contact simply our friendly customer service and we will do everything to make you 100 satisfied. SO WHY WAIT? CHOOSE US NOW! Actual Quantity Shipped: 10 piece(s) 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service.