Refill ballpoint pen RONDO ERASE black 2/pack

Refill cartridges for the Ballograf Rondo Erase pen with erasable ink. Write with style, and erase if it goes wrong. This refill cartridge is suitable for Ballograf Rondo Erase, our fine ballpoint pen with erasable ink. Your best pen friend at school, at work and at leisure - especially if you like to solve crosswords. Tip: Medium Ink colour: Same as the cartridge top: blue, black, pink or green The ink in Rondo Erase is heat sensitive, it disappears when heated. When you erase with the pen's eraser, friction is created that heats up the paper and ink, and the ink becomes invisible. However, your writing may come back if the paper cools down, for example if you put it in the freezer. - Medium nib 0.7mm - The colour of the stopper at the end of the cartridge indicates the colour of the ink - The ink is erasable by friction - Ink colour: Same as the top of the cartridge: blue, black, pink or green