Notebook computer theft is on the rise, and it"s not just your machine, but your private data that"s at risk. We took the world¿s best selling lock for notebooks and computer devices and added an ultra-thick 8mm carbon-strengthened steel cable for even greater security and peace of mind. Don¿t trust your notebook and sensitive data to anything less than the Kensington MicroSaver Keyed Ultra Notebook Lock. SAFE Pro tested for security and peace of mind. Online key code registration to replace lost keys.