Premium quality adjustable spring assisted articulating monitor arms provide smooth, precise and effortless monitor viewing angle and height adjustment. Supports two 17" to 32" displays (screen size measured diagonally) weighing up to 17.6 lbs each. Compatible with VESA mounting patterns 75 x 75 and 100 x 100 mm. Both C-clamp and grommet mount bases are included, easily and quickly installs onto most of desks or tables. Heavy-duty C-clamp is compatible with desk surfaces from 0.4" to 2" in thickness and grommet mount fits through surface hole from .40" to 2.25" wide and up to 2" thick. Integrated cable management system keeps cables neat, organized, and out of the way.