Security Cable for Notebook/Laptop Lock With Numbers 1 Metre Length. Set your personal Combination numbers by follow steps on Manual. Ideal for use at Library or cafe. Secure your Laptop. Support 99% Laptops in market with a security/micro slot One piece design for ease of use - no little pieces to lose or misplace with this computer lock No screws, brackets or glue for installation of this computer lock - no changes to your computer.