Electric Eraser Kit: This kit comes with 42 large and 50 small refills for extended use. Erase marks with a simple touch of a button! Dual Eraser Sizes: Includes 2 eraser holders for both φ2.3mm and φ5mm erasers. Use the larger size for broad highlights and the smaller size for erasing fine details like hair. Perfect for artists and professionals. Comfortable Grip: Designed with a rounded shape instead of a bulky rectangle, this automatic eraser is comfortable to hold. Powerful Erasing: Circular movement and a powerful motor allow you to erase targeted areas efficiently and precisely. Battery-Powered: Powered by 2 AAA batteries (not included), this electric eraser frees your hands for drawing and painting. Professional electric eraser for work, drawing, and learning. Perfect tool for artists, students, teachers, children, and adults – easy to use. Battery Installation: 1. Press the battery cover by pushing on the arrow. 2. Insert 2 AAA batteries according to the positive and negative markings. 3. Close the battery cover. Operation: 1. Press the button to start the eraser rotating. 2. Rotate back and forth to remove unwanted marks. Eraser Replacement: 1. When the eraser is used up, pull out the eraser holder. 2. Then pull out about 3mm of the eraser. 3. Return to the original position for reuse. Electric Eraser Details: Package Includes: 1 x Electric Eraser 42 x 5mm Eraser Refills 50 x 2.3mm Eraser Refills Specification: Material: Plastic Color: Black Weight: 80 grams Size: 223 x 96 x 18 mm Warning: 1. Avoid putting parts in your mouth. 2. Powered by 2 AAA batteries (not included). 3. For long-term storage, remove the batteries when not in use. Slim Pen Design: This automatic eraser features a rounded shape, making it more comfortable to hold. 2 Eraser Sizes: Larger (φ2.3 mm) and smaller (φ5 mm). Use the larger size for creating thick highlights and the smaller size for erasing small details like hair. Electric Eraser Kit: Our electric eraser kit comes with 42 larger (Ø 5 mm) refills and 50 smaller (Ø 2.3 mm) refills for long-lasting use.