Package included:<br />6 / 30 x Black Pen Ink Cartridge Refills<br /><br />Specification:<br />Ink Color: Black<br />Quantity: 6 pcs/30 pcs<br />Specifications: gall ink maximum about 3.8cm ≠ diameter of about 0.8cm<br />Product packaging: separate ink gall 6 pieces in 1 small box<br />Scope: daily writing<br /><br />Ink features:<br />Ink particles are fine， good fluidity， easy to plug the pen<br />Disposable independent gall ink<br />Easy to carry<br /><br />Notes:<br />1. This ink is suit for these pens: Product ID: 952703， 954538， 921562.<br />2. Please be noted that now there are 6pcs pen refills in the package. However， they are a little shorter than before.