Max binding capacity: 450 sheets (with 2" comb plastic bindings ); Max punch capacity: 10-12 sheets(Paper Thickness: 80g(≤20lb) paper). Marks of A4/A5/Letter Size & Adjustable Edge Guide: This upgraded comb binding machine is suitable for Letter Size (19 holes), A4 Size (21 holes), A5 Size (15 holes).
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