Tough 10mm lock head secures the computer cabinet to prevent theft of components and data, including the CPU, graphics card and hard drive 5mm Keying System featuring patented anti-pick Hidden Pin Technology is compatible for custom solutions across different styles of Kensington locks T-BarLocking Technology attaches to any device featuring the industry-standard Kensington Security SlotSingle Keyed allows lock access only to authorized administrators Register & Retrieveprogram allows you to order replacement keys The MicroSaver 2.0 Keyed Chassis Lock with Master Key access for supervisors prevents unwanted access to the sensitive data and components of devices such as a desktop computer or server. By locking down the chassis, it secures the valuable components inside, such as the hard drive, CPU and graphics card of a desktop computer.Tough 10mm lock head secures the computer cabinet to prevent theft of components and data, including the CPU, graphics card and hard drive5mm Keyi