Arkon's TAB4XLKL-B Large Universal Locking Tablet Holder is compatible with most Arkon AMPS mounting pedestals (sold separately) and fits tablets with 10''-12.9'' screen size, including Galaxy Note 10.1, Galaxy Note Pro 12.2, Galaxy Tab 4 10.1, Galaxy Tab Pro 10.1 and 12.2, Galaxy Tab S 10.5, LG G Pad 10.1, Nexus 10, and Apple iPad Pro 12.9. This sturdy locking tablet holder is made of aluminum and includes multiple horizontal and vertical adjustment points along both sides of the holder, making it compatible with tablets as small as the Nexus 10, or as large as the iPad Pro 12.9. Use a 7mm and 10mm socket wrench to adjust the tablet holder to your tablet's size specifications. The tablet holder features a key lock that keeps the tablet securely in place. This is not a complete solution and includes only the Universal Locking Tablet Holder with Key Lock (mounting pedestals sold separately). For a universal locking tablet holder that holds 7''-10'' tablets, see Arkon Model TAB004KL-B.