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. At 12,000 RPM, the strong torque does all the work - a light touch is all that is required to erase with comfort and ease. This eraser is compact for storage and geared for mobility. Packages of eraser refills are available separately.