Kensington Desk-Mount LCD Monitor Arm Save space by suspending flat panel monitor above desk Arm extends, rotates, tilts and swaps monitor from landscape to portrait orientation Three height levels for individual viewing comfort Clamp-style mount fits most desks from 1" to 4" thick Holds displays up to 20 lbs. Arm extends up 20.5" and tilts up to 90a in any direction Easy to assemble and attach without drilling