1.Thickness to be bound from 2 to 50 sheets (70g); 2.Adjustable maximum side depth of paper: 100mm; 3.A single or multiple binders in series synchronous are workable; 4.Saving time and work force, helping increase work efficiency; 5.Power: 220V 50Hz, 110V 60Hz-30W; 6.Colour:white. 7.Size: 47×29×30(cm); 8.Quantity: 4 sets in Carton; 9.Net weight:16(kg). 10.Gross weight:17(kg). 11.Steple request: 66/6, 66/8