This permanent mount features a RAM® 2-1/2"-dia. round base that fastens with screws (hardware not included) and a patented ball-and-socket system adjusts for just the perfect viewing angle. Made of high-strength composite. Can be used with the tablet mount for 10" tablets, item number, and tablet mount for 7" to 8" tablets, item number . Caution: For safety, do not use your tablet or other electronic device while operating a motor vehicle.