Fits devices with a Kensington security slot. Does not fit Dell laptops, Kensington Nano or Noble wedge security slots ^^ Includes 2 specific keys for each lock, and one master key for the entire kit. ^^ Each lock is 6 feet long ^^ Easy-to-use and ideal theft deterrent, with a strong, all-metal lock and cut resistant cable! ^^ Backed by our one year Sendt warranty