Premium rachet technology - allows for comfortable and fast sharpening, Unlike other Pencil sharpeners ^^ Attached dispenser drawers - an attached shavings dispenser doors allows you to clean the shaving easily but never lose the door piece ^^ Customizable sharpening - center dial in center allow for Sharp or blunt sharpening ^^ Tip saver technology - prevents over-sharpening, making your pencils last longer. This technology is exclusive to Bostitch Pencil sharpener ^^ 3 colors - get all 3 colors in one pack! ^^