Once you've tried the innovative and award-winning Tombow MONO Zero Eraser you'll never want to be without it again. Specially designed for precise erasing, it allows you to remove mistakes without damaging the rest of your work. You'll find it invaluable when drawing, sketching or designing, but fans of crosswords and sudoku will love it too. It’s long-lasting, and can easily be replaced with refills. This is the slightly broader MONO Zero Eraser model in the range, with a 2.5 x 5mm rectangular eraser and a black barrel.