StarTech.com 6ft (1.8m) Self-Coiling Laptop Cable Lock, Portable 3-Digit Combination Security Cable Lock for K-Slot Laptop/Computer/Desktop/Device, Coiled Anti-Theft Steel Cable Combo Lock - 6 ft Coiled Cable Lock (LTLOCK3DCOIL) - Security cable lock - 1.

Protect your laptop, dock, projector or other device against theft, wherever you go, with this laptop cable lock. It's easily portable with a self-coiling cable and 3-digit resettable combination.
Guard the security of your laptop or other device when you work remotely or travel. The coiled security cable tucks easily into your laptop bag. It retracts to just 266 mm (10.5") for portability, and stretches out to 1.8 m (6') for flexible use.
Save time with this 3-digit combination laptop lock. It's easy to set, even with one-handed operation. To help prevent others from knowing your combination, you can change it at any time.
Ensure that your laptop, tablet, dock, smartphone or other device is anchored safely to your workspace with this combination cable lock. For dependable theft protection in a wide range of retail, commercial, and institutional environments, the laptop anti-theft lock is compatible with laptops or other devices that are equipped with a Kensington lock slot (K-Slot).
Ideal for portable use or at the office, the laptop cable lock features a strong vinyl-coated steel cable (3.2 mm diameter). To secure your device in a variety of different work spaces, the flexible steel cable bends easily to loop around a stationary post or object.