Specifications: Suitable for those devices with lock hole, such as laptops, monitors, desktop computers, projectors, etc.. Metal dual axis, flexible and solid, ensure the safety strength. Creative dial switch, easy to use. With cable tie, convenient to organizer and adjust the length. Comes with gaskets, when the gap between the lock and lock hole is wide, you can choose suitable gasket to fill in. How to Set Password: Choose a slender tool with a thin tip. Original password is 0000 which aligning to the scale of the lock, and make sure the dial switch can be move up and down. Using the slender tool's tip to press on the coding button for setting the password. Adjust the new password and align it with the scale of the lock, then reset the coding button after finishing. Then, the new password has been set successfully. Type: Laptop Lock Material: Steel + Zinc Alloy Features: Universal, Durable, Number Password, Anti-Theft Lock Head Size(LxW): 7mm x 6.3mm/0.28"; x 0.25"; (Approx.) Lock Size: 19mm x 9.5mm x 40mm/0.75"; x 0.37"; x 1.57"; (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Laptop Lock 3 x Gaskets