Key Kensington T-Bar Best uses: Laptop Carbon steel Black Strong 10mm Lock HeadsAt 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.Hidden PinTechnologyThe patented anti-pick technology ensures the lock cannot be tampered with.T-BarLocking TechnologyThe trusted industry standard for nearly 25 years and compatible with the Kensington Security Slotfound in most laptops. The rotating bar securely attaches to the internal wall of the device for a premium level of security.Ultra Carbon Steel CableThe thicker cable is 60% stronger than a standard cable, made of woven carbon steel and covered by an anti-shearing sleeve for the highest level of protection against cutting attemptsPivot and Rotate CableSpecial hinge creates great freedom of movement, eliminating awkward angles and allowing you to insert your key with complete easeVe