The Monteverde liquid ink mini ballpoint refill is one of the most popular options for refilling any brand of multi-pen. The liquid ink flows so smoothly from this tiny ballpoint that you better order extras. Select from up to eleven different colors, some of which are offered in a broad point as well as the standard medium point. There's also an optional pda stylus refill to replace one of the mini ballpoints in your multi-pen.You also will see supplies for the popular Monteverde Stylus Tool Pencil here. Replacement .5mm lead and erasers are available to keep your Tool pencil writing.