This platinum standard monitor arm fits most 15" monitors and supports up to 45 pounds. The arm frees up desktop space by lifting a monitor up to six inches above the work surface. Designed to enhance individual ergonomic comfort, the arm and platform rotate 360 degrees for a full range of monitor movement while the leveling capability allows for fine tuning monitor position. The platform includes a 12" x 12" padded platform to prevent monitor sliding. The Standard Monitor Arm mounts to surfaces from 1" to 3 1/4" thick