... Features:Binding mode: Wire binding, comb bindingBinding Material: Binder Strip, Double Wire , Hard Plastic RingPunchingSpecifications:Model No.: V4004MMax. ... Binding Thickness : 25.4mm Double Wire / 30mm Binder Strip / 50mm Hard Plastic RingMax. Punching Thickness : ... 20 sheets (80g)Max. Binding Width : 320mm(Binder Strip), Arbitrary(Double Wire)Hole Distance: 14.3mm,24 holes / 8 ...