Smallest MacBook Lock Slot Adapter - Compatible with Standard T-Bar Cable Locks - Easy & Quick Installation - Multi-generational MacBook SecurityThe Ledge Lock Slot Adapter is the world's smallest most revolutionary security cable lock adapter for MacBook Air. With a simple turn of a screw your MacBook will have a compatible cable lock slot that will work with our security cable locks. The proprietary design does not require any adhesive or alteration to the body of the MacBook and does not affect any functionality of the MacBook. The slim design of this extremely secure lock slot adapter integrates seamlessly with MacBooks minimalist appeal and is ultra-lightweight at less than 0.1lb so it adds minimal bulk and allowing for the MacBook to fit in a sleeve or bag.