Binding is a simple and quick solution for professional document design. In a matter of minutes, you can create a manual, calendar, notebook or brochure for training or business. Weaving on a plastic spring is popular due to its versatility and economy. The plastic spring is elastic, suitable for repeated use and allows you to change pages inside the document. The diameter of 45 mm allows you to stitch 341-410 sheets with a density of 80 g/m2.