OfficeSpace / 塑料弹簧，用于装订 100 个。

Use OfficeSpace plastic springs to bind documents. Products are resistant to multiple opening, which allows you to add or remove sheets. Characteristics Material: plastic. Diameter: 16 mm. Step: 9/16. Number of rings: 21. Number of bound sheets: 101–120. Length: 300mm. Number of Pcs: 100pcs Color: white. Color - White;
Package quantity - 100;
Diameter, mm - 16;