Widely compatible and portable, most laptops, monitors and projectors on the market are equipped with safety keyholes. It can be used as long as the keyhole size is between 3*7mm. carbon steel cable with plastic sheath resists cutting attempts Offering greater security and mobility special hinge eliminates awkward angles and provides ease of locking/unlocking. New smaller and stronger 10mm Lock head offers uncompromised security and accessibility for even the thinnest laptops and devices patented hidden pin technology supports the anti-pick tubular lock. Applicable groups: those who go out to work with a notebook, those who often go on business trips with a notebook, laptop sellers and laptop display when using a notebook in the office or dormitory. LCD monitors can also be used with suitable sockets. It is excellent for preventing laptop theft. YACSEJAO Laptop Lock uses t-bar locking technology to secure laptops desktops TVs monitors hard drives docking stations projectors or any other device with a security slot can anchor to a desk table or any fixed structure.