Refillable fountain pen. Fountain pen with a glossy black plastic barrel tip. Nib made of solid stainless steel. Nib thickness: M. The cap fits onto the top end of the barrel. It can be used with cartridges or a converter. Comes in a gift box. After the hexagonal barrel design of the 849 series ballpoint pens achieved cult status, it was first transferred to the mechanical pencil. The 849 fountain pen also features a very similar look but appears slightly more rounded and modern. The very robust and shock-resistant aluminum barrel feels good in the hand, making the fountain pen, along with its flexible clip, an ideal companion for school, the office, or on the go. The high-quality nib with an engraved hexagon and the plastic nib holder provide you with high writing comfort at all times. Reusable. Reusable products are characterized by multiple uses and durability. Common disposable products from everyday life can thus be meaningfully replaced by reusable alternatives. These do not need to be discarded even after multiple uses.