Butterfly Punch -- Used to punch a hole to hang a carton from a pegboard hook.If used on a hanger header, a small punch will be used on the front and a large one on the back.

• 蝴蝶孔--应用于（瓦楞纸箱或盒）的（模切）孔，通过（上端的）小钉板孔悬挂起纸箱。