穴あけパンチ
A [[stationery]] tool that is used to create holes in sheets of [[paper]], often for the purpose of collecting them in a [[binder]] or [[folder]].
Once the handle is pushed down, it drives the circular punch head blades down into cutting hole(s) of a paper.

h1. External links
* "Wikipedia: Hole punch":https://en.wikipedia.org/wiki/Hole_punch
hole puncher