Spring-loaded 'X' design with rubber caps sports great holding power without hiding your tablet; fits most 7"-8" tablets and includes optional device tether for peace of mind during rugged use Easy access grip knobs on the back of the holder allow for the quick release of your tablet Includes 1" B size rubber ball compatible with any B size RAM Mounts double socket arm; ball and socket technology allows for near-infinite adjustability Compatible with 7"-8" Tablets, Apple iPad mini 3, iPad mini 4, iPad mini 5, Samsung Galaxy Tab A 7.0, Galaxy Tab A 7.0, Galaxy Tab A 8.0, Galaxy Tab A 8.0 (2017), Galaxy Tab A 8.0 (2018), Galaxy Tab Active2, Galaxy Tab E 7.0, Galaxy Tab E 8.0, Galaxy Tab Pro 8.4, Galaxy Tab S 8.4, Galaxy Tab S2 8.0