Feature: 1.Electric Erasers with 2 Eraser Sizes, Our electric eraser includes 2 eraser holders to hold both φ2.3mm and φ5mm erasers. Use the bigger one to create thick highlights and the smaller one to erase tiny parts like hair. Ideal for artists and professionals. 2.Battery Powered Electric Eraser, This electric eraser is powered by 2 AAA batteries(Not included) and helps you release your hands while drawing and drafting. Simply push the button to remove the marks. 3.Instead of a large rectangular shape, this automatic eraser has a circular shape which is more comfortable to hold. Simply push the button to remove the marks. 4.Save your time, Two electric erase pens with two kinds of erasers, meet your different needs at the same time, no need to change the refill frequently. 5.It offers precise control and ideal for drawing, drafting, architectural plans, arts and crafts, etc. An ideal gift for kids, adults and professionals. Specification: Material: Plastic Size: 1.5cmx17cm Color: Gray, Black ,White Package: 1*electric eraser