Two-dimensional file-strip, has lower portion with large number of holes enabling file-strip to be bound into file at different heights

摘要

The lower portion (1.1) of the file-strip comprises a large number of holes (1.2) in a row, enabling the file-strip to be bound into a file at different heights, forming a thumb-index. The holes may be arranged in several rows. The lower part is preferably made of stable plastics, or metal.