Anda Seat Stealth II Duo A6D-2S Ergonomic Monitor Arm, 17-32 Inch, 2-9kg, Gas-Spring, 360 Degree Rotation, Quick Release VESA 75x75mm and 100x100mm, White AD-W-A6D-2S-BW. Key features: Gas-Spring Monitor Arm With Adjustable Stiffness; Fits 17-32 Inch Screens, Supports 2-9kg for 1 Screen; Quick Release VESA Plate 75x75mm and 100x100mm; Up to 49.7cm Extension, Up to 43cm Height, 360 Degree Rotation.