OIC self-adhesive fasteners feature a strong bonding adhesive to remain permanently in place. So when it comes time to transport or turn in your documents, you can do so confidently. Made from corrosion-resistant tempered steel. Fits in regular 2-hole-punched paper. Measures 2 3/4" center to center. Fasteners come in a box of 100. Fasteners with a 2" capacity help secure larger sets of materials.