Lets you work more efficiently with documents Unique curved tray holds copy in place. Reduces overhead glare and maintains the same viewing distance from top to bottom of the page. Tension knobs allow you to easily adjust height, angle and tilt. Document clip adjusts for letter- or legal-size documents. Other features include an extra-wide paper ledge, a reversible line guide and a weighted metal base for stability. Made by KellyREST.