Once youve tried the innovative & award-winning Tombow MONO Zero Eraser youll never want to be without it again. Specially designed for precise erasing, it means that you can remove mistakes without damaging the rest of your work. Youll find it invaluable when drawing, sketching or designing, but fans of crosswords & sudoku will love it too. It’s long-lasting, & 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 & a black barrel.