Deli Binding Equipment & Supplies 450 sheets of A4: Perfect for workplaces with frequent binding requirements Max. Capacity for Binding: 450 Pages Up to 450 sheets can be bound at once using A4 punched pages on the preloaded comb. Punching gradually, binding is simple. 450 sheets of A4 paper can be punched with great strength. Featuring a margin adjustment button to flexibly change the binding position