Features: 1.Newest Design with 2 Eraser Sizes: Our electric eraser includes 2 extra eraser holders to hold 2.3mm erasers.(the original metal eraser holder can hold 5mm erasers) 2.Use the bigger one to create thick highlights and the smaller one to erase tiny parts like hair. Ideal for artists and professionals. Measures 9.7*2.9*17.5cm. 3.Eletric Eraser Kit: The electric eraser kit comes with 8 big refills and 8 small refills and 1 manual. 4.Most Comfortable Grip Design: Instead of a large rectangular shape, this automatic earser has a circular shape which is more comfortable to hold. Simply push the button to remove the marks. 5.Strong Erasing Capability: Circular movement and strong motor allow you to erase targeted areas effectively and precisely. 6.Battery Powered Eraser: This electric eraser is USB rechargable and helps you release your hands while drawing and drafting. Can use for more than 600 times when fully charged. Notice: Actual color vary from that of the image due to computer settings Please allow 1-3cm of deviation due to manual measurement includes: 1 x Electric Erasers Kit