The OEM Kensington Portable Cable Lock KMW64670 provides superior security for your laptop while on the go. It features a tamper-resistant lockhead and a T-bar that secures the lock, attaching easily via the Kensington Security Slot found in 99% of computers. The push-button design allows for one-handed operation, making installation simple and efficient. With a four-wheel combination lock, you can choose from 10,000 possible combinations, which are easily resettable. The thick, self-coiling, carbon-strengthened cable stretches to 6 ft yet shrinks down to just 3 inches for convenient storage.