The flexible, lock and key Aluminum Vehicle Mount for 7 to 14" Tablets from CTA Digital is designed to securely hold tablets that range from 7 to 14". The base can be installed onto a vehicle's seat rail. Moreover, it has an aluminum support arm, tension-adjusting ball socket joints, and a knee joint, allowing you use your tablet in a portrait or landscape orientation. You can rest assured that your tablet is safe and accessible with the mount's slide-adjustable, open-style holder that provides corner-grip port access. Additionally, the holder supports tilting and 360° rotation.