Humanscale M8 Adjustable Articulating Monitor Arm - Two Piece Clamp On Mount with Base - Black with Black Trim FeaturesRemovable 180° stop blocks arm from swinging into walls.Designed to support heavier and larger monitors. Curved Monitors have not been tested.Accommodates virtually any monitor ranging from 8 - 42 lbsGenuine HumanScale M8 Adjustable Monitor Arm with Two Piece Clamp On Mount BaseIntegrated cable management cables are kept largely out of sight and out of the way .