A heritage #5 medium point fine point nib is available for an additional $12.00. This fountain pen can be changed to a rollerball in a matter of seconds: simply unscrew the fountain pen nib, remove the cartridge, insert the rollerball refill and screw on the rollerball nib. A high-quality black fine point schmidt 5888 rollerball is included and is a pleasure to write with. Refills are readily available at office supply stores or online. My pens won international pen turning contests sponsored by the international association of penturners in 2016, 2017 and 2018.This item is made of german iridium nib and schmidt 5888 rollerball, black titanium and rhodium.