Good quality, reliable and comes with 11replacement refills , easy to remove and replace. - The ergonomic plastic handle makes the electric eraser very comfortable to hold. - Controlling it with a small button, and a light touch are all required to remove marks. - Suitable for graphite, coloured and pastel pencils, work well for drawing , office or school work. - Whether you're a beginner or an experienced artist, the Electric Eraser is equally suitable for hobby artists and professionals alike.