Available in 2 varieties, the MONO zero Classic Eraser from Tombow is an essential creative tool offering precise, reliable and clean erasing for students, hobbyists or professionals. Completely latex-free, this refillable eraser has a rounded tip measuring just 2.3mm in diameter for reliable pinpoint applications. The slim, lightweight casing of the MONO zero Classic Eraser has an innovative design with a protective metal tip & easy-to-use push mechanism. Like a mechanical pencil, this allows the eraser to be retracted when not in use, ensuring it remains clean & usable wherever you may be.