Feature:1. EFFICIENT ELECTRIC ERASING: The rotating design of this eraser makes erasing easier and improves efficiency, giving your sketchwork a clearer finish.2. PRECISE STAIN REMOVAL: Specifically designed for sketching, it effortlessly removes graphite and colored pencil stains, ensuring your sketchwork looks cleaning.3. ENHANCE DETAILING: The design of the eraser helps you create more intricate drawing and sketching details, making your artwork more vibrant and lifelike.4. COMFORTABLE GRIP: It is ergonomic design, making it easier to use and enhancing the pleasure of your drawing experience.5. PLASTIC MATERIAL: Made with excellent quality materials, it is built to withstand long term use without deformation or easy breakage, ensuring your artistic journey lasts longer.Specification:Item Type: Electric EraserMaterial: PlasticBattery: 2 x 1.5V AAA Battery (Not Included).Package List:1 x Electric Eraser (Assembled Thick Eraser Metal Holder)2 x Thin Eraser Plastic Holders10 x Thin Eraser Refills12 x Thick Eraser Refills