Attaches between the Docking Station/Cradle and Motion Attachment of any Gamber-Johnson Docking Station or Cradle with a VESA or Gamber-Johnson hole pattern - Attaches a E-SEEK M200/M210/M250/M260 card reader between the Docking Station/Cradle and Motion Attachment - Hardware bag contains the machine screws to mount the E-SEEK reader to the mounting plate - Attaches to any Gamber-Johnson Docking Station or Cradle with the Gamber-Johnson or VESA hole pattern.