... and cuting round corner on certificate,cards,bankbook,film,photographic film . Corner Punching MachineMaximum thickness of paper cut: 30mmThe size of round corner:(standard ... needs.Range of application:Be used for fixing and cuting round corner on certificate,cards,bankbook,film,photographic film and books,etc ... fine-looking.Dimension:310*215*220mm.Gross weight:7.2kg Corner Punching Machine