FeaturesLever Arch Files manufactured from recycled Black board with Blue Angel environment endorsementProtective cover sheet77mm spineA4OblongThis Leitz 180 Oblong Board A4 Lever Arch File (Pack of 4) features a unique, patented mechanism that opens 180 degrees for ease of use with a landscape orientation and a 77mm spine. The file features durable board covers, a thumb hole for easy retrieval from a shelf, metal shoes for durability and a spine label holder for quick identificaton of contents. This pack contains 5 black files.