EXTRA HEAVY DUTY PAPER PUNCH: This sturdy 2-hole punch can punch through 65 sheets of paper at once. The holes are punched 10mm from the edge of the paper and the hole diameter is 6mm. The distance between the two holes is 8cm. ADJUSTABLE FOR ALL PAPER SIZES: This sheet punch has a graduated metal ruler on the side to adjust the paper sizes and ensure that the holes are punched in the right place. Once the hole is punched, the confetti is collected in the reservoir located at the bottom. You can easily remove it and empty it when it is full. The ruler is easy to remove to punch larger sheets of paper such as A3. LOCKING SYSTEM FOR EASY STORAGE: This 2-hole punch can be locked for storage and space saving. Simply lower the handle and slide the button on the front to the right to lock the handle. When the a5 binder punch is locked, it measures L23 x W12 x H11.5cm. LONG HANDLE FOR EASIER HANDLING: The handle of this paper punch is extended, making it easier to punch paper. It can also be used to punch expired credit cards, as a precaution before throwing them away. This sheet punch is an essential tool for home, office, work, school or university. With its elegant black design, it will look stunning on your desk at home or at work.