This 40" slat rail with clamps and posts allows mounting of multiple displays simultaneously. It's ideal for workplaces, including office, hybrid and work-from-home environments. Your monitors are elevated above the desktop, which frees up precious workspace. You can also slide the monitors along grooves and then adjust the viewing angle for optimal ergonomics. Grooves on both sides of the slat rail accommodate independently adjustable monitor setups when desks are pushed together back-to-back. Features side posts that clamp firmly to the edge of a flat desktop or table surface from 1.18" to 3.78" thick. This slat wall system also has options for an additional slat rail for mounting more displays (DMSWSLATTAA) and three VESA-compliant monitor mounts (DMSW1332STAA, DMSW1332MTAA and DMSW1332LTAA), all sold separately. Compliant with the Federal Trade Agreements Act (TAA), which makes it eligible for GSA (General Services Administration) Schedule and other federal procurement contracts.