Organize important documents with Medical Arts Press® Heavy-Duty Top Tab Fastener Folders. Heavyweight manila paper stock and double-thick tabs provide the strength required to stand up to the wear and tear that frequently accessed files are exposed to. Embedded fasteners allow you to subdivide a file's contents for easy management. To accommodate growing files, their spines are also scored for expansion. Folder Size: Letter; Total Number of Fasteners: 2; Max Folder Expansion: 0.75"; Cover Tab Style: Top Tab.