Arkon's TAB5HM6 locking tablet headrest mount fits tablets with 7''-10'' screen size, including Samsung Galaxy Note 8.0, Galaxy Tab A 8.0, Galaxy Tab E 8.0, Galaxy Tab 3 7.0 and 8.0, Galaxy Tab Pro 8.4, Galaxy Note 10.1, Galaxy Tab 4, Galaxy Tab Pro 10.1, Galaxy Tab S 10.5, LG G Pad 7.0, 8.0, and 10.1, Nexus 7, 9, and 10, Apple iPad mini, iPad Air 2 and iPad Air, iPad 4, 3, and 2, and iPad Pro 9.7. This mount includes Arkon's Plastic Locking Tablet Holder, a Heavy-Duty Aluminum Mounting Pedestal with 8'' Multi-Angle Arm, and Headrest Clamp Base. The mount features an 8-inch multi-angle arm that attaches to a headrest post on either the front or back seats. The mount installs onto most 2-post style headrests. This sturdy 8-inch car mount features three adjustment knobs at 2.5 inch intervals on the mount arm for easy positioning. Two additional 180° adjustment points at the top and bottom of the mount provide additional flexibility in positioning the tablet. This sturdy locking tablet holder is made of plastic and can be adjusted horizontally and vertically, making it compatible with tablets as small as the G Pad 7.0, or as large as the Nexus 10. Use a Phillips screwdriver to adjust the tablet holder to your tablet's size specifications. The tablet connects to pedestals (not included) with a 4-Hole AMPS mounting pattern. The adjustable tablet holder features a key lock (with 2 keys included) that keeps the tablet securely in place.