The Rocstor Rocbolt W21 Premium and Heavy-Duty 4-digit resettable Combiination Cable Lock provides an enhanced security for your Dell® notebook or tablet with Noble® Wedgelock® compatible slots. Fit with Noble® Wedgelock® Slots with Size: 3.2×5 mm – Rocbolt security keyed locks provide an exceptional asset security and helps to reduce theft. 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. Rocbolt provides a strong and heavy-duty lock head which prevents intruders from tampering with the lock. Rocbolt locks come standard with 6ft galvanized heavy-duty steel cable. Rocstor Rocbolt security cables are aordable and have a two (2) year warranty.