This pen is equipped with a unique, streamlined stainless steel extra fine nib to deliver an incomparable writing experience. | It comes with a converter for bottled ink, Ink cartridges Not included for safety. You can purchase the Hongdian cartridges in our store, ASIN：B08259HPC7 | The weight of pen is carefully calculated and much more suitable for long time writing. | This pen was designed for those who appreciate an exceptional writing experience. | Beautifully well balanced and artfully writing instrument, this matte black fountain pen set is top of its class. With metal pen case, it makes an amazing gift for yourself, your family or absolutely anyone else.