The Rocstor Rocbolt N20 Premium and Heavy-Duty 4-digit Slim Combination Cable Lock provides an enhanced security for your HP® & Dell® notebook or tablet with Nano lock compatible slots. Rocbolt security Combination 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 security system. Rocstor’s Rocbolt cables provides a strong and heavy-duty lock head which prevents intruders from tampering with the lock. The Rocbolt N20 Combination Lock solution also provides is made of Carbon Steel with proven records in large deployments in corporate, education and government environments. Rocbolt locks come standard with 6ft galvanized heavy-duty cabron steel cable. Rocbolt security cables are TAA Compliant and have Two (2) year warranty.