1. ALLOY STEEL AUTOMATIC FUNCTION BLADE: Specially designed automation function, simple, efficient, safe, and reliable. Pencil sharpener with a strong spiral blade can sharpen up to 6000 times. The rotating blade has an alloy structure, making it more durable. 2. SMALL VOLUME: It operates quietly and is suitable for 6-8mm wood pencils and colored pencils. The volume is very small; you can place it in any corner of your backpack. Dimensions: 3.5 inches - 1.7 inches - 2.9 inches (including handle). Quiet and classroom-friendly. It operates quietly and is suitable for 6-8mm wood pencils and colored pencils. It's easy for school children to use. An excellent gift for children and students. 4. UNIQUE DESIGN: The sharpening mechanism automatically draws the pencil into the cutting chamber, providing a perfect tip. Once the pencil is sharpened, the unique sharpening design will not allow the pencil to be over-sharpened. ABS plastic parts are strong, durable, colorfast, and recyclable.