Stapling capacity: 4 mm / 10 sheets Contents: 2,000 pieces per box Holds up to ten pages of paper Centra Premium galvanized staples measuring 21/4 mm are made specifically to be used with small staplers. They work with all staplers that use 21/4 mm staples and let you staple up to 10 sheets of paper at a time. comes in a box containing 2,000 staples. There are additional sizes No. 10, 24/6 mm, and 26/6 mm available. Assign Contains: 2000 x staples