1 slim battery operated electric eraser with a sleek design. Comes with 10 pieces of 2.3mm eraser refills and 12 pieces of 5mm eraser refills. This pack includes 2 eraser holders to hold both 2.3mm and one metal clamp to hold 5mm erasers. The 2.3mm eraser can be used to create tiny parts like hair, small patterns and shapes . The 5mm eraser can be used to create thicker highlights; selective highlights can be created in existing drawings . The tips allow quick and easy correction of small areas of work without disturbing other parts of the pencil or charcoal drawings . Erases with pin-point precision with a powerful motor . The ergonomic circular shape of the handle gives comfort as well as a well-balanced steady control as you refine and correct your work . An ideal tool for artists, professionals Note: Requires 2 AAA batteries. Batteries not included.