Index tabs are basically used for labelling folders and collectors in suspension files or for labelling support plates in card index boxes and troughs. Regardless of where the tabs are placed, the lettering is easy to read because it is not hidden. A tab is always placed on the top of a file or on the divider. It is neither covered by the object nor by the cards or files. As a rule, small labels can be inserted into the display tab. New types of display tabs can be opened and folded up again by