Mini Binding Machine 1,Punch System: 21/4 or 21/3 holes 2,Max Binding:50 sheets 3,Max punching: ... 4 sheets 4,ISO9001,BSCI Mini Binding Machine 1, Operation Methord: Manual 2, Punching System: 21 ... / 4 holes 3, Paper Formats: Up to Din A4 4, Punching Capacity paper: Max, 4 sheets of paper ... 1 sheet cardboard cover (230g/m2) 6, Max Binding Capacity:Max. 50 sheets. 7, Net Weight: 1 ...