Giros Design AirGuard: Polycarbonate Security Cap [AirBase Mount for Apple Extreme/Time Capsule NOT Included] Designed to provide a security feature for our AirBase mount, an innovative mount that provides sturdy support for the Apple Extreme/Time Capsule. See here for product: http://www.amazon.com/gp/product/B00IRSDKX6 The security cap supports standard Kensington lock and Torx head security allowing peace of mind when mounting your access point in any public location. The addition of this security cap enables our AirBase mount to be mounted safely from a ceiling position, greatly maximizing range and performance. Made of polycarbonate/ABS material to provide strong support while accenting the design of the Apple AirPort Extreme/Time Capsule. Once mounted, the Airbase and polycarbonate are able to withstand the strongest earthquake or vibration. Check out our testing video here: https://www.youtube.com/watch?v=137eh6syzTE