Prevents neck strain by elevating monitors to a comfortable viewing height. Keeps monitors off crowded desktops, increasing work area. Easy-to-install two-piece clamp mounts monitor between desk and cubicle wall. Five-position, height-adjustable arm moves up and down in one inch increments. Allows screen to tilt, pivot, and rotate for optimal viewing. Clamps to surfaces up to 2 1/2 inches thick (2 inch overhang required) or mounts in a grommet hole. Wall/Ceiling Mounts & Hardware Type: N/A; Mounting: Clamp; Grommet; Depth: 4 3/4 in; Width: 14 1/2 in.