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 & still meets the industry-leading testing standards for tamper-resistance, reliability & durability that only Kensington can provide. Carbon steel cable Offering the same level of cut-resistance & theft-resistance as thicker cables, the carbon steel cable with plastic sheath offers security & greater mobility. Pivot & rotate cable Special hinge creates great freedom of movement, eliminating awkward angles & allowing you to insert your key with complete ease. Verified &tested Engineered to Kensingtons rigorous specifications & third-party standards in torque/pull, foreign implements, lock lifecycle, corrosion, key strength & other environmental conditions.