Made to mount the Video Conferencing Touch Controller (sold separately) in conference room tables with grommet holes Adjustable 51mm to 89mm diameter grommet holes let you to attach the Touch Controller on tables up to 50mm thickness Low-profile with pivot maintains the streamlined look 180-degree swivel allows for comfortable operation from both sides of the table Built-in cable management facilitates down-routing of cables through the grommet hole for a neat look