Name:Wire binding machine Model:OBWHC380 Binding form: Iron Ring ,Hard Plastic Ring The Max. Binding Thickness: 25.4mm iron ring The Max.Punching Thickness:?20 pages(80g) Max. Binding WidthArbitrary Hole Distance: 3:1 (8.47mm) 40 holes Design of Section:4.0x4.0mm Punching FormManual Size of Machine: 420x350x230mm Net Weight: 15kgs