Brand-new hand-cranked pencil sharpener, with an automatic pen feeding design, is simple, labor-saving, safe and efficient, making pen sharpening more convenient and smooth. Suitable for various pen shapes: triangles, hexagons, circles, etc. Suitable for pencils ranging from 6.9 to 8 millimeters, colored pencils, etcIt adopts alloy steel roller knives, which are sturdy and durable, with smooth cutting and a smooth cutting surface. It is convenient to cut and features an automatic core breakage elimination design, making it less likely to break or get stuck. The grinding frequency of the pen exceeds 3,500 timesMade of carefully selected ABS material, it is strong, wear-resistant and shock-resistant. Large-capacity dandruff box, drawer type, easy to clean, no dirty hands; Anti-slip base pad, more stable; anti-slip handle, more comfortableInstructions for Use: 1. Insert the pencil directly. 2. Turn the handle clockwise to sharpen the pencil. 3. Turn the handle counterclockwise to withdraw the pencil and complete the sharpening. A spring has been added to the structure, and it can automatically correct the pen to prevent shaking.The adjustable tip thickness design allows you to cut pencils of different thicknesses by rotating the adjustment knob on the rocker arm, meeting all your needs