The Monteverde mini ballpoint refill contains liquid ink that lays down smoothly, even from so small a metal point. They are available in medium and broad in black and blue. The other nine colors offered are medium point. Fisher offers a mini-ballpoint refill that contains oil-based, waxy ink. This refill can be snapped off to the perfect length to fit your multi-pen. You can also substitute a pda stylus refill for any one of the mini ballpoints.
Waterman mechanical pencils utilized either .5mm lead or .7mm lead. You will need to known the correct size of lead your pencil uses in order to get replacement lead. If you purchased the pencil from us, we may be able to tell you which size you needs since we can look up the model you bought. Just give us a call at 720.259.1601.