Ergotron LX HD Sit-Stand mounting kit - Patented Constant Force Technology - for LCD display - polished aluminium

20-inch (51 cm) height range allows users to move between sitting and standing positions while they interact with the display Extends LCD up to 33" (84 cm), push your display out of the way when not in use 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 adjustment Cable management clips on the under side of the arm route and hide cords Ideal for space-constrained spaces - folds to within 4.5" (12 cm) of back of desk in storage position Secure installation - locking connections between arm, extension and base