Pencil sharpener
A pencil sharpener is a machine for making a point at the of a pencil sharp enough so you can use it.
Pencil Sharpener Media
Video of a mechanical pencil sharpener, showing gearing and helical sharpening blades
Magnesium alloy prism sharpener
A linear sharpener that uses a razor blade
Lead sharpener/lead pointer and 2 mm pencil lead in a leadholder