The Ledge Lock Slot Adapter is the world's smallest, most revolutionary security cable lock adapter. 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 Pro/Air and does not affect any functionality of the MacBook. The slim design of this extremely secure lock slot adapter seamlessly integrates with the minimalist appeal of MacBooks. It is ultra-lightweight, weighing less than 0.1 lb, which adds minimal bulk and allows the MacBook to fit comfortably in a sleeve or bag.