Polymer-coated stainless steel body and hardened polymer-coated shackle. Key-free combination lock. Portable safe for storing keys safely and securely. Can be attached to tow hook, door handle or roof rack. Suitable as a key deposit to hold car keys or spare house keys. Ideal to keep keys secure while owners are away from their vehicles on sporting activities, such as surfing and diving. Also suitable for shared cars, company vehicles and car rental companies. Storage compartment dimensions: 60 x 80 x 20mm.