Modular Desking by Mayline Extruded aluminum posts with removable cap for easy access to mount monitor arms. User friendly posts and arms provide easy adjustments of heights and viewing angles on flat screen monitors. Monitor arm posts bolt securely to center beam. Mulitple attachment locations available along the beam structure (square opening). Monitor arm supports attach easily to the post by sliding clamp down one of the post’s vertical channels. Cable management and mounting hardware included. Mounts are only compatible with VESA compliant monitors using 100mm x 100mm or 75mm x 75mm mounting location and with a max weight of 18 lbs. Mounting System of posts and supports can be affixed to other product lines such as CSII, VariTask and TechWorks.