It mounts into an existing threaded dash mounting bolt hole (1/4-20) above the speedometer.
It is adjustable using the double socket mount arm and the X-Grip adjusts to fit most smart phones and dampens any vibration while running down the road.
1" Ball Mount w/1/4-20 Threaded Post • RAM-B-237U
Adjustable Double Socket Arm • RAM-B-201U-A
