Tough lock head - designed for the latest Dell laptops and devices with a wedge lock slot, it meets Kensington’s industry-leading testing standards for tamper-resistance, reliability and durability Laptop Lock for Wedge-Shaped Lock Slots - Lock engagement compatible with most Dell devices with wedge-shaped lock slot, the expanding side hooks grab on to the internal sides of the wedge lock slot 5mm Keying System - Kensington's laptop locks benefit from the 5mm keying system featuring anti-pick hidden pin technology, which is compatible for custom solutions across different Kensington locks Laptop Theft Deterrent - The laptop lock's carbon steel cable is cut-resistant and anchors to desk, table or any fixed structure so you can lock your laptop down and deter any theft attemps Kensington Laptop Lock - Engineered to Kensington's rigorous specifications in torque/pull, foreign implements, lock lifecycle, corrosion, key strength and other environmental conditions