Specifically designed for planners, large manuals or reference material. Two adjustable clips hold pages open at the desired location. Nine height adjustments will accommodate virtually any book size and viewing angle. The Easel-style holder with non-skid base folds flat for easy storage. Will hold standard A4-size ring binders.Extra-sturdy easel-style copyholder. 9 height adjustments. Holds standard A4-size ring binders.