Workrite Sa1500-db Flat Panel Monitor Swing Arm (Extended) Integral cable management system High-quality pneumatic strut counter-balance SwingArm allows users to easily adjust monitor height, focal distance and tilt angle. Stores easily to the rear of the work surface. SwingArm's height range is best-in-class at 21.5". Also leads in reach adjustability and supports monitors up to 25 lbs. Works with Most Flat Panel Monitors - If your monitor is equipped with an industry-standard VESA 75mm or 100mm mount, the SwingArm quickly attaches.