Self-coiling carbon steel cable, Slim lockhead allows the laptop to lie flat, Resettable four-wheel number code, Pivot and rotate cable head, stretches up to 1.8m and shrinking down to 76mm, Plastic sheathing protects surfaces, Doesn't block valuable ports. Ideal for thin laptops, the Slim Portable Combination Lock for Standard Slot allows the laptop to lie flat and stable without blocking valuable ports. Self-coiling carbon steel cable sheathed in plastic stretches up to 1.8m and shrinks down to 76mm for easy portability. Features include a resettable four-number combination, one-handed operation and Register & Retrieve for quick, secure and easy combination retrieval. Meets or exceeds rigorous strength testing standards.