With the red 123ink erasable ballpoint pen refill you can write endlessly. This refill contains erasable ink, which can be wrote over directly. This means you don't need an eraser or correction fluid and you can make adjustments without damaging the paper. The writing width is 0.35mm and the ball width is 0.7mm. This pack contains 3 refills.
Of course this 123ink product comes with a 100% guarantee!