Use the TabCruzer Interface Plate when you have a Gamber-Johnson vehicle pedestal or console box syste The Interface Plate attaches to the back of the TabCruzer™ and then attaches to any Gamber-Johnson Motion Attachment with the 2x4 hole pattern (Item No. 7160-0419 or Mongoose). - Use the Interface Plate when you have a Gamber-Johnson Vehicle Pedestal or Console Box system - The Interface Plate attaches to the back of the TabCruzer and then attaches to any Gamber-Johnson Motion Attachment with the 2x4 hole pattern (Item No. 7160-0419 or Mongoose) - The Interface Plate allows you to rotate the TabCruzer from portrait to landscape - Limited Lifetime Warranty