Portable notebook lock for ultra-slim devices Tough lock head with Cleat locking technology attaches to the nano security slot found in ultra-thin laptops and tablets Self-coiling steel cable extends up to 2.30 m When retracted it is just 10 cm long - perfect for on the go Resists and deters cutting attempts. Pivot and rotate cable provides superior notebook engagement. Verified and tested for industry-leading standards in torque/pull, foreign implements, lock lifecycle, corrosion, key strength and other environmental conditions Also available as a lock system for orders of 25 or more: Master-keyed system: Manufacturer's no. KK66641M Single-keyed system: Manufacturer's no. K66641S Like-keyed system: Manufacturer's no. K66641L