for filing [2]

spring binder

Binder in which sheets of paper are held in place by the pressure of springs.

fastener binder

Binder with a flexible rod fitted with two sliding rings; it is used to hold and file punched sheets of paper.

clamp binder

Binder fitted with a spring clip; it is used to hold and file sheets of paper.

dividers

Heavyweight sheets of paper with side tabs; they are used to separate groups of pages inside a binder.