Multifunctional Elevating Rotary Lifting Bracket $ 77.14 Product information: Material: Aluminum Alloy, cold rolled steel, plastic cover Suggested Screen Size: 17"-30" Suggested Laptop Size: 10"-17" Laptop Thickness: 5.0mm~21mm Loading: 2.0-9.0kgs (4.4-19.8lbs) (Pls make sure weight of your screen is within this range, or the gas spring arm cannot work!) Tilt: +85~ -30 Swivel: -180~ +180 Rotation: 360 VESA: 7575mm/ 100100mm 2ways installation: clamping and grommet Clamping thickness: 10-90mm, clamping width at least 40mm Grommet hole diameter: 10-60mm Packing list: Support X1PCS