This item was received from someone else. It is unused. This security lock protects laptops, LCD monitors, hard drives, NAS devices, and other PC peripherals from theft by attaching to a security slot. The wire itself is covered, preventing scratches on disks, etc. Rubber on the tip of the cylinder prevents damage to the computer. Simple to use: just attach the wire to the desk and connect it to the slot on the PC. Purpose: Protects peripherals from theft and unauthorized removal as a security lock (prevents information leaks). Note: Even if the slot size is compatible, the depth of the slot inside may not be compatible depending on the model. Wire length (m): 1.7 Wire diameter (Φmm): 4 Included: 2 keys, 1 wire tie (total length: 150mm, 2mm thick), 3 adjustment pads (1.6mm thick x 1, 0.8mm thick x 1, 0.4mm thick x 1) Compatibility: PCs and other devices with 3-3.8 x 7-7.5mm security slots