Description: This art electric eraser offers precise control and great for Drawing, Drafting, Painting, Sketching, Architectural Plans, Arts and Crafts; Powered by 2 AAA batteries (not included). 22Pcs rubber refills, easy to dismantle and replace, thick and thin sizes meet all your needs Circular movement and strong motor allow you to erase targeted areas effectively and precisely Simple push of the button and a light touch are all that's required to remove marks Compact, sturdy eraser which can be used to erase very small areas on artwork and can also be used to create patterns and shapes as well as being a useful drawing tool. A good helper of painter, student, designer. Specification: Material: Plastic Eraser size: Approx. 166x15x15mm / 6.54x0.59x0.59inch Eraser Refills: Length Approx. 25mm / 0.98" Diameter: Approx. 2.3mm / 0.09"; 5mm / 0.20" Package Includes: 1x Electric Eraser 12x Big Eraser Refills(φ5mm) 10x Small Eraser Refills(φ2.3mm) 2x Rubber Clips Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!