HM007-SBH is a high-quality universal headrest mount pedestal that easily and securely attaches to car or truck headrests with 2-post configurations. Add your favorite Dual-T compatible Arkon tablet or phone holder (not included) to create the essential road trip mount. This headrest mount pedestal is best suited for viewing by one back seat passenger. You can attach it to the driver's side, passenger's side, front or back seats. Installation is easy. Simply place the pedestal's hooks around the headrest posts and secure the tightening knobs. Then, mount any Dual-T-compatible device holder (not included). The 3 inch arm tilts up to 180 degrees to provide easy positioning of your device.