Fit your display: Compatible with single screens up to 34 inches diagonal and 0 to 18 lbs, VESA patterns 75x75mm and 100x100mm; or support a laptop instead of a monitor with a Notebook Tray accessory (part number 50-193-200, purchased separately) Install in minutes: Assembles with ease using just one tool; quickly attach the desk clamp to worksurfaces up to 2 inches thick and mount the monitor and display arm with the included tool at any fixed point along the 13 inch pole; includes base and pole, arm, pivot, cable routing clips, installation tool and VESA hardware