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. you will have to purchase the battery separately from the market, to use this eraser.