POWERTOOL Electric Eraser, Automatic Portable Rubber Pencil Eraser with 20pcs Refills,Battery Operated for Artist Drawing, Painting, Sketching, Drafting (1 PCS, White)

Long Lasting Use: Good quality and comes with 20 replacement refills. The eraser length 25mm, easy to remove and replace. Easy Operation: Has a simple push button for control, and a light touch are all required to remove marks. Power Battery: Battery operated eraser, requires 2 AAA batteries (not included). White Eraser Refills: Soft white eraser does not tear up paper, don't leave any traces or marks behind. Multi-purpose: Perfect for artists, animators, draftsman and architects. also, suitable to be office supply and school.