RAM Square Post Clamp Base for Posts up to 5" Wide (RAM-247U-5) (sku 55075) Samsung_Galaxy Tab 4 10 Inch This headrest mount fits smartphones

This headrest mount fits smartphones up to 6

Arkon's TABPBHM6 tablet headrest mount can be used with all large tablets 9 to 12 inches in screen size

Apple iPad 4

Slim-Grip Ultra Universal Smartphone and Midsize Tablet Holder

double socket arm and custom GoPro Hero adapter

RAM Square Post Clamp Base for Posts up to 5" Wide (RAM-247U-5) (sku 55075) Samsung_Galaxy Tab 4 10 Inch This headrest mount fits smartphonesOVERVIEW The RAM 247U 5 is a clamp base with 1. 5" rubber ball that will connect to rails up to 5" maximum in width. HARDWARE INCLUDED (2) 5 16" 18 x 3" Macine Screws (2) 5 16" 18 Nylock Nuts CLAMP RANGE 5" max width BALL SOCKET SIZE C Size (1. 5")