Electric Eraser Kit: This electric eraser kit comes with 42 large refills and 50 small refills that you can use for a long time. Easy to use: Remove marks with a touch of a button. 2 eraser designs: Our electric eraser includes 2 eraser holders that can hold 2.3mm and 5mm erasers. Use the larger one to create dense highlights and the smaller one to erase small parts like hair. Perfect for artists and professionals. Comfortable handle design: Instead of a large rectangle, this automatic eraser is round, which is more comfortable to hold. Powerful erasing power: Circular motion and powerful motor allow you to erase the target area effectively and precisely. Battery-powered eraser: Powered by 2 AAA batteries (not included), this electric eraser helps you free your hands to draw and paint. Professional electric eraser for work, drawing and learning. Perfect tool for artists, students, teachers, children and adults, easy to use. Insert the battery 1. Press the battery cover by pressing the arrow on the battery cover 2. Insert 2 AAA batteries according to the positive and negative markings 3. Close the battery cover Usage 1. Press the button and the eraser will start to rotate 2. Rotate back and forth to remove unnecessary numbers Replace the eraser 1. When the eraser runs out, pull out the eraser holder 2. Then pull out the eraser about 3mm 3. Back to original, can be reused Electric Eraser Details Package includes 1 x Electric Eraser 42 x 5mm Eraser Pin 50 x 2.3mm Eraser Pin Specification Material: Plastic Color: Black Weight: 80 grams Size: 223 x 96 x 18mm Warning 1. Avoid putting parts in your mouth 2. Powered by 2 AAA batteries (not included) 3. For long-term use, please remove the battery when not in use used Slim Pen This automatic earbud is not a large rectangle, but a round shape, which is more comfortable to hold 2 eraser sizes Larger (2.3 mm) and smaller (5 mm). Use the larger one to create thick highlights and the smaller one to erase small parts like hair Electric Eraser Kit Our electric eraser kit comes with 42 larger ( 5 mm) pins and 50 smaller ( 2.3 mm) pins that you can use for a long time