First Base, Inc 02216 Space Saver Shelf, f/Monitor Arm,11"x13"x1-1/2", Black by DAC

MP-205 Shelf is part of Data Accessories Space Saver System for monitor arms and removes clutter by making use of the space below the monitor. Conveniently attach to a round monitor arm post from 1 to 1-5/8" in diameter. This upper tray has an adjustable clamp to easily adjust the height, and swivel left or right to the best position. Perfect for documents and tablets up to 5 lb. Shelf provides a TAA-compliant ergonomic solution.

Comes in Black