Certifications: RoHSDesigned for most 17" to 32" flat and curved screensWeight capacity: 2 to 9 kg (4.4 to 19.8 lbs.) per armSwivel: 180°Tilt: +90/-45°Rotation: 360°Height adjustment: 158 to 406 mm (6.2 to 16 in.)Dimensions- Total (L x W x H): 570 x 112 x 942 mm (22.44 x 4.41 x 37.09 in.)- Arm length (fully extended): 450 mm (17.7 in.)Net weight: 3.83 kg (8.44 lbs.)Gross weight: 4.36 kg (9.61 lbs.)Material: aluminumSurface thickness for clamp installation: 10 to 83 mm (0.4 to 3.3 in.)Hole diameter for grommet installation: 10 to 83 mm (0.4 to 3.3 in.)VESA standards: 75x75, 100x100?