Each monitor rotates 145° (+/- 72.5°) and tilts 22° - Supports monitors each weighing up to 20 pounds - SteadyArm can support monitors that range in size from the smallest available to those measuring 18¾" W x 16½" H. - Available with C-clamp or grommet. A freestanding desk base available for 2 or 3 monitors mounted in a single row.