Features: 1.Versatile Operation: The spiral coil binder machine can punch up to 34 holes at the same time, making it easy to apply to documents with different s. 2.Dual Coil Structure: Internal dual coil structure, which is easy to bind A4 picture books, office documents, menus and tenders, saving time and labor. 3.Accurate Location: The coil binding machine is equipped with an accurate guiding system to ensure the exact location of the punched holes. 4.High Grade Material: 34 hole binding machine is made of high grade material, which is sturdy and durable to ensure no deformation for long time use. 5.Simple and Easy to Use: The coil binder is simple to operate, with a clean and generous design that makes it easy for every user to get started. specification:Item Type: Binding Machine Material: ABS, iron Applicable Consumables: Dual coil Applicable Paper: A4 long side (Approx. 297mm/11.7in) Punching Capacity: 12 sheets of 80g/0.2lb Binding Capacity: 120 sheets Perforation Size: Approx.4x4mm/4.5mm/0.16x0.16in/0.2in Number of Holes: 34 holes Margin: Approx. 2.5mm/0.1in, 4.5mm/0.2in, 6.5mm/0.3in Pressure Loop Size Range: Approx. 4.8-14.3mm/0.2-0.6in PackageList:1 x34HoleBindingMachine 1 xInstruction Manual 2 xAccessories 1 xTestCard