Compatibility - Dual monitor mount ideal for most screens up to 27" and 22lbs each with 75x75mm or 100x100mm backside mounting holes. Fully aticulation - Rotate 360°, tilt ±90° up and down, swivel ±90° left and right, height adjustment along the center pole. Two install options - C-clamp and optional grommet base (fits desk up to 4" thickness) save your valuable desk space. Integrated cable management - Keeps your desk tidy and clean by organizing your power and AV cables in detachable cable clips. Easy installtion - Step-by-step user manual and organized hardware kit for hassle free mounting.