Ultrabook and MacBook Air laptops are valuable business tools and highly desirable for thieves. But they can pose a real challenge when it comes to security. The fact is some ultra-thin laptops lack a security slot making it impossible to attach a lock and secure it from theft. Fortunately theres a solution thats just as slim and sleek as the Ultrabook itself.The Kensington Security Slot Adapter securely attaches to your Ultrabook and other peripheral devices that do not already have Kensington's built-in security slot. Simply attach the adapter with the included ultra-strong industrial-strength adhesive and youre ready to use a laptop lock to protect your investment against theft (lock sold separately). Your Ultrabook is now ultra secure.- Attractive K-slot adapter for Macbook Air and Ultrabooks lacking a K-slot- Compatible with Ultrabook and MacBook laptops- Security Slot adapter diameter: 1.5 (40mm)- Whats Inside: Security Slot Adapter tape glue- Compatible with any tablet simply apply the adapter to the back of the tablet and lock