Pencil Sharpener With a heavy duty helical steel blade, can sharpen up to 6000 times. The rotary blade has alloy structure, which is more durable. Specifically designed Auto-feed feature, simply, efficiently, securely and reliably. ABS plastic parts are strong, durable, colorfast and recyclable. The large-capacity storage box can be used for a long time without staining other places. This artist pencil sharpener is super easy to operate, just insert the pencil into the holder and crank clockwise while holding the sharpener, the pencil starts to move inside the sharpener with each crank.Do not sharpen any more when the pencil is done, or it will chew up your pencils It can works easily for students, always, painters, designers, and children.It is suitable for various places: school, home, library, studio, outdoor. Manual operation is easy for school children to use. Ideal for schools, home, and office,Quiet and reliable,with minimal disruption.