Ideal for thin laptops, the Slim NanoSaver Portable Combination Lock allows the laptop to lie flat and stable, and won't block valuable ports. Self-coiling carbon steel cable sheathed in plastic stretches up to six feet and shrinks down to three inches, for easy portability. Features include a resettable four-number combination; one-handed operation; and Register & Retrieve for quick, secure, and easy combination retrieval. Meets or exceeds rigorous strength testing standards. Five-year warranty. From Kensington, inventor of the laptop cable lock, and industry leader in physical device security for more than 25 years.