Simply bend two prongs outward and push through the pre-punched slits on any Smead divider, and you’ve instantly got a fastener to organize both sides of your divider or partition. Add instant organization and security. Simple to install on any pre-punched Smead divider. Twin prong has 0.63in capacity on one side and 1in capacity on the other side. Standard two-hole punch configuration 2.75in Center-to-Center. Metal with brown enamel finish. One-Piece Two-Prong Fasteners for Smead Self-Adhesive Pre-Slit Folder DividersPair these fasteners with self-adhesive, pre-split dividers to turn your standard file folders into classification-fastener folders no compressors required. Fastener Subtype: One-Piece Two-Prong; Fastener Capacity Nom: 0.63in; 1in; Fastener Sheet Capacity: 50 Sheets; 80 Sheets; Center To Center: 2.75in.