Ergotron 45-490-216 LX - Mounting kit (articulating arm, Desk clamp Mount, Pole, Extension Bracket) for LCD Display - Aluminum Increase viewing comfort - help reduce eye, back and neck strain Upgrade LCD monitors and TVs with improved ergonomic adjustment Patented CF motion technology provides premium ease-of-use Display adjustment Cable management feature routes cables under the arm, out of the way Push your Display out of the way when not in use