10 Pieces Pen Refills,Ballpoint Refills,Replaceable Refill Compatible with Smooth Writing for School and Office Supplies,Diameter 1 mm,Medium Size 0.7 Nib, 9.9cm Long(Black)

Product List: You will receive a set of 10 replaceable pen refills, sufficient for your daily use (black). Product size: The replaceable metal ballpoint pen core is approximately 9.9 centimeters long and 1 millimeter in diameter, making it easy to replace or carry. High quality materials: These ballpoint pen refills are made of high-quality materials, durable and sturdy, with a good touch and smooth appearance. Kind hearted design: The ink in the pen core is easy to dry, so you don't have to worry about the ink sticking to your hands, table, etc. Please note: This pen refill is suitable for most ballpoint pens with the same refill; Please check your pen refill style before placing an order to ensure it fits your ballpoint pen.