The pen is a cartridge / converter (supplied), so you have the best of both worlds. It's fitted with a 21k extra fine nib.
The important details are as follows.. As the Financial Times said recently in their How To Spend It publication - "izods is an e-cache of ultra fine fountain pens". Please take a look at our other listings for a broad selection of fine writing instruments. If you've any questions, then please don't hesitate to let us know. We're delighted to have launched our first own brand fountain pen, the izods paradigm - crafted from ebonite, with an 18k nib and piston filling mechanism.The only choice is which of the five eye-catching colours will you choose!