Spiral Steel BladeThe automatic paper feeding function specially designed by the pencil sharpener is simple, efficient, safe and reliable. The pencil sharpener manually uses a heavy duty spiral steel blade that can be sharpened up to 6000 times. The rotating blade adopts alloy structure, which is more durable. Advantages: Transparent shavings box, fast, labor-saving, lead is not easy to break, large capacity shavings box and adjustable pencil tip. Small Size and ABS PlasticThe manual pencil sharpener works quietly and is suitable for 6-8mm wooden pencils and colored pencils. The pencil sharpener is very small and can be placed in any corner of the desk. 3.8" x 1.9" x 3.2" (including handle). ABS plastic parts are strong, durable, colorfast and recyclable. LOW NOISE AND EASY TO USESmooth hand-operated pencil sharpener. The manual pencil sharpener is quiet and suitable for classroom use. It works quietly and is suitable for 6-8mm wooden pencils and colored pencils. The pencil sharpener is easy for school children to use. Great gift for kids and students. Sharpener buttonThe pencil sharpener mechanism automatically draws pencils into the cutting chamber, producing perfect points. The upgraded version of the pencil sharpener is equipped with a button on the rocker, which can eliminate the broken pencil lead in time and prevent the paper jam caused by the broken core. Pencil SharpenerThis manual pencil sharpener is very easy to operate, just insert the pencil into the holder and turn clockwise while holding the pencil sharpener, the pencil starts to move inside the sharpener with each crank; After the pencil, the joystick can be rotated counterclockwise, and the pencil will automatically exit.