The Ledge Lock Slot Adapter is the world's smallest and most revolutionary security cable lock adapter. With a simple turn of a screw, your MacBook will have a compatible cable lock slot that works seamlessly with our security cable locks. The proprietary design requires no adhesive or alteration to the body of the MacBook Pro and does not affect any functionality of the device. The slim design of this extremely secure lock slot adapter seamlessly integrates with the MacBook's minimalist appeal. It is ultra-lightweight, weighing less than 0.1lb, which adds minimal bulk, allowing the MacBook to fit easily in a sleeve or bag. Additionally, it can be mounted on either the left or right side of the trackpad.