iPoint Curve Axis is designed for heavy-duty use in the office or school. Subtle dial allows use with all popular pencil sizes. Use the dial to select the pencil size for the single hole. Super-fast sharpening uses 10-blade helical technology. Auto shutoff activates when the pencil is at the perfect point. Safety cutoff activates if the shavings reservoir is removed. Electric pencil sharpener also features a large, EZ-view shavings reservoir.