DOETYD 30 PCS Metal Cartridge Set Include Black Ink Pen Refills Ballpoint Refill for Replacement of Ballpoint Refills Suitable for Parker Ballpoint Pens

Value Set: You will receive 30 pcs of black ink biros refills, 9.8cm long with 1mm diameter nibs to meet your writing needs. Replacement Refills: Our biros refills are compatible with most ballpoint pens, such as Parker ballpoint pens, so you can purchase and use them to replace your biros refills with confidence. High Quality Materials: The biros refill is made of high quality stainless steel casing, high quality quick-drying ink and the nib is made of carbide ball, so that you can get a smooth writing experience, and the handwriting is not easy to paste quickly and dryly. Convenient: When your biros refill is out of ink, you can directly replace it with the refill of our product, just take off the protective wax of the nib to use it. There may be a small amount of ink spillage during transport, but it does not affect normal use. Wide Application: The biros refill is lightweight and easy to carry, suitable for use in schools, companies, offices, homes and other scenarios, perfect for you to record information, writing or drawing.