plastic comb binding machine C20E, Electric punch, Manual comb bind Binding material: plastic ring Binding capacity: 30mm of round plastic ring, 50mm of ellipse plastic ring Punch capacity: 20pages(80g) Binding width: 300mm Hole Distance: 14.3mm Hole Spec: 3×8mm Hole QTY: 21holes Depth Margin: 2.5∼6.5mm Quantity of Movable Cutter: 21pcs Punching Form: Electric Product Size: 445*290*210mm Weights: 16kgs 1pc/box