"Upgrade Spiral Steel BladeThe automatic ink feeding function specially designed by the pencil sharpener is simple, efficient, safe and reliable. The pencil sharpener uses a heavy duty spiral steel blade that can be sharpened 6000 times. The rotating blade adopts alloy structure, which is more durable. Advantages: Clear crumb box, fast, labor-saving, lead is not easy to break, large capacity shaving box and adjustable nib. Small size, ABS plasticThe manual pencil sharpener works quietly, suitable for 6-8mm wooden pencils and colored pencils. The pencil sharpener is so small that you can put it anywhere on your desk. 8.1 x 6 x 4.2 cm . ABS plastic parts are strong, durable, colorfast and recyclable. Low Noise and Easy to UseSmooth manual operation pencil sharpener. Manual pencil sharpener, quiet, suitable for classroom use. Quiet work, suitable for 6-8mm wooden pencils and colored pencils. Pencil sharpeners are convenient for students to use. A great gift for children and students. Pencil Sharpener ButtonThe pencil sharpening mechanism automatically draws the pencil into the cutting chamber to produce perfect points. The upgraded version of the pencil sharpener is equipped with a button on the rocker, which can eliminate the breakage of the pencil in time and prevent the breakage of the refill. Pencil sharpenerThis manual pencil sharpener is very easy to operate, just insert the pencil into the pen holder, turn the pencil sharpener clockwise, the pencil starts to move inside the pencil sharpener; after sharpening the pencil, the rocker can be rotated counterclockwise, and the pencil will automatically out."