... or 21/3 holes 2,Max Binding:50 sheets 3,Max punching:4 sheets 4,ISO9001,BSCI Mini Binding Machine 1, Operation Methord: Manual ... : Up to Din A4 4, Punching Capacity paper: Max, 4 sheets of paper (80 g/m2) 5, Punching Capacity covers: 1 ... or 1 sheet cardboard cover (230g/m2) 6, Max Binding Capacity:Max. 50 sheets. 7, Net Weight: 1.3 kg 8, Unit ...