Sakura s updated SumoGrip Electric Eraser features a high-quality, long-lasting motor with over 10,000 Rpm and strong torque for precise, pinpoint erasing. Its rounded, ergonomic handle provides comfortable grip for extended use. This compact, cordless eraser is powered by 2 Aaa batteries and weighs just 2.9 ounces, making it ideal for both studio and on-the-go use. The kit includes batteries, two eraser holder chucks, and 20 white vinyl eraser refills.