Key Kensington Best uses: Peripheral Carbon steel Black Strong 10mm Lock HeadAt only 10mm in diameter, the lock head is designed for even the thinnest laptops and devices while still meeting Kensingtons industry-leading testing standards for tamper-resistance, reliability and durability.5mm Keying SystemA central pillar of Kensingtons industry-leading locking solutions, the exclusive keying system is common across all of Kensingtons latest locks. Our unparalleled custom management options provide flexibility, and our patented anti-pick Hidden PinTechnology offer complete peace of mind. Now IT directors will only have one keying system to manage across their organization.Anchor PlateAdheres to a flat surface and is designed to secure a device that does not have a Kensington Security SlotCarbon Steel CableOffering the same level of cut-resistance and theft-resistance as thicker cables, the carbon steel cable with plastic sheath offers security and greater mobility with 8 feet of cab