MONO zero is a high-precision eraser for pinpoint erasing. The unique and precise design combining the MONO eraser's high-performance and beautiful finish, to change the concept of detailed erasing. The 2.3mm diameter eraser allows to erase a single letter or details with ease. The unique indirect chucking system extends the eraser by only 0.7 mm with each push. The cylinder type of 2.3mm in diameter and the rectangular type of 2.5 x 5mm are available to choose according to purposes and preferences.