wire binding machine W20E, Electric punch, manual wire closingBinding Material: Double WireBinding Thickness: 12.7mm Double WirePunch Capacity:20 sheets(80g)Binding Width: 300mmDepth Margin: 2.5 TO 6.5mmPunching Hole Quantity: 34holes(3:1) Hole Distance: 8.46mmHole Spec: 4×4mm Quantity of Movable Cutter: 34PCSProduct Size: 445*290*210mm Weights: 16kgs