These 19mm paper binders with washers are designed for efficient document organisation and secure paper fastening. Each binder features a flat head for simple insertion and removal, while the sharp pointed ends allow for effortless piercing through stacks of paper. The included washer mechanism provides the flexibility to loosen or tighten the fastener as needed, making them suitable for various document thicknesses and binding tasks. This set contains 200 individual binders, offering a reliable supply for professional or home office use.