Maclocks MBALDGZ01 Ledge Security Lock Slot Adapter for MacBook Air (Silver) World's smallest, most revolutionary security cable lock adapter for MacBook Air Constructed of stainless steel Integrates seamlessly with MacBooks minimalist appeal Easy & Quick Installation Ideal security device for your expensive laptops Multi-generational MacBook Security Ultra-lightweight at less than 0.1lb Includes: Ledge Lock Slot Adapter, Installation Hardware Kit