Arkon HM425RMAMPS Robust Car Headrest Mount Pedestal with 4-Hole AMPS Head (sku 50226)Arkon's HM425RMAMPS car headrest mount pedestal is part of Arkon's Robust Mount Series and is ideal for mounting an AMPS compatible device in the center of the back seat for use in taxis and other passenger vehicles. The multi angle aluminum pedestal measures 5. 9 inches end to end and attaches to straight bar headrest posts on either the front or back seats. Two 180 adjustment points at the top and bottom of the mount help position the device for