Kensington MicroSaver Keyed Duo Laptop and Peripheral Lock Dual lock-heads secures two devices including laptops, hard drives and monitors while allowing independent access Uses the standard Kensington Security Slot found in 99% of notebooks and many computer peripherals Free Register & Retrieve on-line key and combination code registration for secure key replacement or code retrieval Dual locking heads with patented T-bar locking mechanism provides superior locking strength and theft protection 6-ft carbon strengthened steel cable with low-profile lock heads that won't block laptop ports or lift laptop off desk 6-ft carbon strengthened steel cable Dual locking heads with patented T-bar locking mechanism provides superior locking strength and theft protection Uses the standard Kensington Security Slot found in 99% of notebooks and many computer peripherals Low-profile lock heads won't block notebook ports or lift notebook off desk Online key code registration to replace lost keys if needed