The Rocstor Rocbolt Premium and Heavy-Duty Keyed Cable Lock provides a strong and enhanced security for the Ultra-thin, Ultrabook and Tablet devices, Rocbolt security keyed locks provide an exceptional asset security and helps to reduce theft with compatibility to Cleatâ„¢ Locking Technology which can be inserted into any device that includes either the KensingtonÂ® Security Slot or the KensingtonÂ® Mini Security Slot . They are tested for torque/pull, foreign implements, lock lifecycle, corrosion, key strength, and other environmental conditions. Nearly thousands of notebooks and other portable devices are stolen everyday - protect your valuable assets by using the 6ft heavy-duty Rocbolt cable keyed lock system. Two (2) keys are provided with each lock system. Rocstor Rocbolt provides a strong and heavy-duty lock head which prevents intruders tampering with the lock. Rocstor Rocbolt lock comes standard with 6ft galvanized heavy-duty steel cable and. Rocstor Rocbolt security cables are affordable and have a two (2) year warranty.