Locking head for the latest Dell laptops and tablets featuring a non-standard security slot The 5 mm Keying System with anti-pick Hidden Pin technology is compatible with individual lock systems Cut-resistant carbon steel cable Pivot and rotate cable provides superior notebook engagement Also available as a lock system for orders of 25 or more: Master-keyed system: Manufacturer's no. K64441M Single-keyed system: Manufacturer's no. K64441S Like-keyed system: Manufacturer's no. K64441L