Exclusively designed for Surface Pro [not compatible with Surface Pro X] and Surface Go to provide professional-level security and superior device engagement. Non-invasive locking technology provides easy-to-use security solution that requires no device modifications preserving the Surface Pro and Surface Go hardware warranty and aesthetics. Strong lock head meets Kensingtons industry-leading standards for tamper-resistance reliability and durability. 5mm keying system includes patented anti-pick Hidden Pin Technology and is part of Kensingtons robust key management solutions that include Master Keyed (K68135M) and Single Keyed (K68135S) options to help IT managers minimise the number of keys required to secure devices in mixed technology environments. Carbon steel cable resists and deters cutting attempts. Register & Retrieve program offers free and secure cloud-based key replacement. With a five-year warranty you can rest assured knowing you’re covered by Kensington inventor and worldwide leader in laptop security locks.