Binding form: Spiral The Max. Binding Thickness: Arbitrary The Max.Punching Thickness:18pages(80g) Max. Binding Width : Below 300mm Hole Distance: 6.35mm(4:1)46holes Adjustable Margin: 2.5-6.5mm Design of Section: Ring dia.3.6mm Punching Form :Manual Install Form : Electric (220V 50HZ) (110V 60HZ) Size of Machine: 410x180x290mm Net Weight: 6.5kgs