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 0.63" capacity on one side and 1" capacity on the other side. Standard two-hole punch configuration (2.75" Center-to-Center). Metal with brown enamel finish.