FeaturesQ-Connect Comb Binder 12Binding capacity up to 250 sheetsPunches up to 12 sheetsMaximum binding size 51mmPunching margin 2-5mmThis versatile Q-Connect Premium Comb Binder 12 punches up to twelve sheets at once and can bind a maximum of 450 sheets with up to 51mm binding combs, which is great for making reports, presentations and company literature.  This economical binder is simple to use and will provide you with professional looking documents every time.