ACME Studio’s P900 “M” Ballpoint Refill, comes in seven different colors; Lava Black, Ocean Blue, Fern Green, Magenta Flower, Purple Haze, Hibiscus Red, and Maui Blue. It is packaged in a sealed plastic sleeve.
With the extender and adapter, this refill will convert your rollerball pen to use ballpoint ink.
![Private Reserve Ink® Fits Waterman® style Ballpoint Ink [W45]](https://passion4pens.com/wp-content/uploads/2025/12/PRI-Waterman-Style-BP-refill-4.gif){kind=small}
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