The iBOLT Amps plate is developed for users that prefer to have the car-dock attached to a pedestal Mount or vehicle specific mounting solutions from providers like KUDA, ProClip, ProFit etc. The ball joint attaches to the back of any iBOLT designed car-dock and the flat "plate" screws into the mounting solution. The 4 holes are spaced with the industry standard 32 mm x 38 mm spacing, commonly referred to as "AMPS" plate. Delivered with double sided tape and 4 small screws with matching small bolts. Allows car-dock to turn either horizontal or vertical. Easy to adjust while driving!