The Lenovo 4XE1B81916 Kensington Key Black NanoSaver Twin Head Cable Lock is a high-quality key lock designed by Kensington to provide anti-theft protection for laptops and desktop computers. The twin head design allows for added security as both heads need to be locked for the device to remain secure. The sleek black color and compact design make it convenient to carry and use while on the go. With the trusted brand of Kensington, this cable lock ensures your device remains safe and secure.