Loctek D5D Dual Monitor Arm Desk Monitor Mounts Fits 10"-27" Monitors, Gas Spring LCD Arm 1. Arms easily adjust to support an ergonomically correct workstation; sit more comfortably at your desk while reducing neck, eye and back strain, extend or retract monitor arm; rotate monitor to landscape or portrait mode 2. Gas spring hovering system gracefully adjusts monitor height 3. Aircraft-grade aluminum arm features a stylish anti-scratch surface, both arms rotate horizontally 360 Degree (180 Degree in each direction) 4. Cable management system organizes wires for a tidy desk 5. Available VESA 75X75/100X100 and fits most 10''-27'' monitors - check for standard VESA mounting 6. Durable hardware supports clamp or grommet installation 7. Supports monitors weighing 3.3-11 lbs. per arm