Main Technical Parameters: Model DWC-520 Pitch of double wire 4: 1" 3: 1" 2: 1" Max.binding thickness(Mould matched additionally) 3/16”—9/16” (520) Binding type Hole binding or skip binding(up to five steps) Max. Paper width 520mm(520) Max. Binding width 60- 520mm(520) Max. Paper length 75mm Working speed 1200books/hr Size of worktable 660x300 WxD Power 220v/1 ph/50hz Air compressor 1.5kw Air pressure 6-8bar Main size 1030x770x1200mm Weight 220kgs Dimension of pay-off 490x760x1220mm Net weight of pay-off 65kgs Optional Hanger Attachment. Moulds sizes. Inside diameters of the double loopsSize6.4mm1/4 inch 3:17.9mm5/16inch9.5mm3/8inch11.1mm7/16inch12.7mm1/2inch14.3mm9/16inch15.9mm5/8inch 2:119.0mm3/4inch22.2mm7/8inch25.4mm1inch