Upgraded Spiral Steel BladePencil Sharpener specifically designed Auto-feed feature, simply, efficiently, securely and reliably. Pencil sharpener manual With a heavy duty helical steel blade, can sharpen up to 6000 times. The rotary blade has alloy structure, which is more durable. Advantages: Transparent crumb box , Fast, labor saving, lead not easy to break, large capacity shavings box and adjustable pencil nib. Small Volume and ABS PlasticManual pencil sharpener works quietly and suitable for 6-8mm wooden pencils and colored pencils.The pencil sharpener volume is very small, you can put it in any corner of the desk. 3.8in x 1.9in x 3.2in (including the handle). ABS plastic parts are strong, durable, colorfast and recyclable. Low Noise And Easy To UseSmooth manual operation pencil sharpener. Manual pencil sharpener quiet and Classroom Friendly.It works quietly and suitable for 6-8mm wooden pencils and colored pencils. Pencil sharpener is easy to use for school kids. An Excellent Gift For Kids And Students. Adjustable pencil sharpenerThe 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 jam caused by the broken lead.