Maclocks MBALDGZ01CL Ledge Security Laptop Lock Slot Adapter with Combimation Lock for MacBook Air (Silver) Smallest, most revolutionary security cable lock adapter for MacBook Air Constructed of stainless steel Features combination lock; Cable length - 6 feet Ideal security device for your expensive laptops Includes: Security Lock Slot Adapter & Combination Lock for MacBook Air Not Compatible with the Non-Touch Bar Models Does not affect any functionality of the MacBook. Integrates seamlessly with MacBooks minimalist appeal