Tough 10mm lock head with cleat locking technology Offering uncompromised security for select ultra-thin laptops built with the Kensington Nano Security Slot, the lock head is only 10mm in diameter and still meets the industry-leading testing standards for tamper-resistance, reliability and durability that only Kensington can provide. Carbon steel cable Offering the same level of cut-resistance and theft-resistance as thicker cables, the carbon steel cable with plastic sheath offers security and greater mobility. Pivot and rotate cable Special hinge creates great freedom of movement, eliminating awkward angles and allowing you to insert your key with complete ease. Verified &tested Engineered to Kensington s rigorous specifications and third-party standards in torque/pull, foreign implements ,lock lifecycle, corrosion, key strength and other environmental conditions.