DoubleSight Wall Mount Bracket for Flex Arm Models: * An accessory designed to allow users to convert Single Monitor Flex Arms from Pole Mount to Wall Mount * Attaches to the wall and replaces the existing Pole/Clamp Base Assembly * Use the DS-WMBracket to secure your Flex Arm and Monitor to the wall above your work space for added flexibility * Compatible Models: DS-20PH, DS-20PHS, DS-30PS, DS-30PH, DS-30PHS