Best known for its strong erasing capability and durability, this pocket-sized eraser glides across the paper. Countless professional illustrators, animators and architects rely on and vouch for the performance of the Sakura Electric Eraser. Thanks to its AAA battery-powered motor, this cordless eraser weighs only 2.8 oz. At 12,000 RPM, the strong torque does all the work. A light touch is all that's required to remove marks. Designed for comfort and control, this eraser is compact for storage and geared for mobility. The motorized electric eraser comes with twenty additional white vinyl erasers for pencils, two eraser holders and two AAA batteries. Packages of eraser refills are available separately.