The AEC0406 adjustable extension column for use with Peerless-AV® display mounts, projector mounts and ceiling plate accessories. Designed to blend in and work in almost any environment, our line of AEC adjustable columns range in lengths from 6 to 9" up to 10 to 12'. Whether it’s for an office or mounted from a tall cathedral ceiling, the adjustable column supports up to 500lb, making it ideal for exhibit, retail or digital signage applications. The adjustment slot design makes for easy incremental height adjustments to find the perfect position and then securely locking it into place. The AEC column’s cylinder shape conveniently offers ample internal space for cable management of multiple cords, ultimately giving a clean look to any installation.