ホッチキス芯しん

noun

staple (for a stapler)

Refers specifically to the metal staples used in a stapler (ホッチキス).

See also: 芯

• ホッチキス芯しんが切きれたので、新あたらしいのを買かわないと。

  I ran out of staples, so I need to buy new ones.