11mm (100 Papers) A4 Black Wiro Binding Metal Loops Rings 3.1 Ratio – Cut Pcs

Quick Overview 11mm A4 Black Wiro Binding Metal Loops - 100 Papers CapacityThese 11mm A4 black wiro binding metal loops are precision-cut pieces with 3:1 pitch ratio, designed to bind up to 100 papers. Perfect for professional diary, notebook, and calendar binding projec