Mont Marte Electric Eraser - 30 Pieces Refills Included, Battery OperatedThe electric eraser from Mont Marte allows very accurate and precise etching. It is characterized by its strong erasability, which means that the areas to be erased can be effectively corrected. The electric eraser removes graphite and charcoal cleanly and is a great addition to your artist's tools. Due to the 30 replacement erasers it remains operational even after prolonged use. The ergonomic plastic handle makes the electric eraser very comfortable