● Manufacturer: Uchida Yoko Co., Ltd. ● Weight: 47g (excluding batteries) ● Overall Length: 170mm ● Body Diameter: 25mmΦ ● Batteries Used: AA x 2 Although CAD is the mainstream for recent drafting, this is an electric eraser used to erase details of hand-drawn drawings. It's a convenient tool that allows for spot erasing without using an erasing shield, without erasing the surrounding characters or lines. ・Comes with 7 dedicated spare erasers ・Operation confirmed ・Batteries not included