Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Ink flow starts directly and without any delay, even after a longer pause of writing
•Easily, as never seen before, you get a writing that is regular, strong, precise and clean
•Fits 98% of all Rollerball pens that accepts a standard size refill.
•Refill Reads: Safety ceramic roller 888 F non-dry refill.
•Length: 4 5/16 inch (11cm), Diameter - .245 inch (0.62cm)