Maclocks MacBook Pro Hardware Combination Lock with Ledge - Security Lock Slot Adapter for 13 & 15 inch 2015 or Earlier Models, MBPRLDGZ01CL (Silver) SMALLEST LOCK SLOT ADAPTER - The Ledge Lock Slot Adapter is the world's smallest, most revolutionary security cable lock adapter for MacBook Pro with touch bar COMPATIBILITY - Compatible with Standard T-Bar Cable Locks. NOT Compatible with the 2016/2017 MacBook Pros & MacBook Pro Touch Bar Models FUNCTIONALITY - Does not affect any functionality of the MacBook. Integrates seamlessly with MacBooks minimalist appeal. Easy & Quick Installation INCLUDES - Security Lock Slot Adapter & Combination Lock for MacBook Pro COMBINATION CABLE LOCK - The 4 dial combination locking head is a T-Bar design with an easy lock / unlock switch, tilting head, and rotating cable to allow you to use it freely without any tangling