Long and wide arm can hold one monitor with screen size ranging from 22 to 35 inches and weighing between 4.4 pounds and 26.4 pounds (2kg to 12kg) High precision gas-strut allows an upright lift of up to 9.8 inches (280mm) to help you set a convenient viewing angle 360-degree rotation, +85 degrees and -30 degrees tilt, and +90 degrees to -90 degrees swivel provide even more flexibility for comfortable viewing Built-in cable management hides away wires so that your space looks tidy and organized Constructed with aluminum alloy that is known for its strength and resistance to corrosion Supports C-clamp installation for desks with thickness less than 3.54 inches (90mm) Fits grommet holes with diameter ranging from 0.39 to 1.97 inches (10mm to 50mm) Complies with 75mm x 75mm and 100mm x 100mm VESA standards Assembly required and takes approximately 15 minutes for 2 adults