The Improved N17 Serialized Combination Lock For Wedge-Shaped Slots Delivers Increased Strength In A Smaller Size. It?S The Strongest Keyless Locking Solution For Laptops And Tablets With A Wedge-Shaped Lock Slot, Independently Verified And Tested For Industry-Leading Standards In Torque/Pull, Foreign Implements, Lock Lifecycle, Corrosion, And Other Environmental Conditions. The N17 Combination Lock For Wedge-Shaped Slots Features A Stronger Cable With Greater Pull Strength, An Updated Slider For Easy One-Handed Engagement Of The Lock, And A Pre-Programmed 4-Number Code So You Can Immediately Put It To Work Without Having To Set The Combination Yourself. A Serial Number Is Etched Onto The Lock, Making It Easy To Verify And Retrieve A Lost Or Forgotten Combination.