Doubld Wire Binding Machine HP2108--double wire Binding form: Iron Ring ,Hard Plastic Ring The Max. Binding Thickness:9/16"(14.3mm)iron ring The Max.Punching Thickness:12pages(80g) Max. Binding Width : Below 300mm Hole Distance: 3:1 (8.47mm) 34 holes Adjustable Margin: Unadjustable Design of Section:4.0x4.0mm Punching Form : Manual Size of Machine: 370x250x150mm Net Weight: 5.5kgs Package: 4 pcs/ctn G.W. : 25kgs N.W. :23.3kgs Outer Carton Measurement : 720x430x320mm