Kensington Master Keyed Cable Lock for Microsoft Surface Pro (K62052M)
Amazon.com: Kensington MicroSaver Laptop Lock – Master Keyed Cable Lock (Key Round, Steel, 1.8 m, 5.3 mm, Metallic) : Electronics
Amazon.com: CTA Digital 10-Foot Security Cable – CTA 10' Galvanized Steel Cable with K-Slot Lock and Master Key for Use with Tablets, Laptops, and Devices with K-Slots (ADD-CALOCK3M) : Electronics