The Vevor bike chain lock is built for dependable security with a forged steel chain and matching padlock designed to resist cutting, slicing, hammering, and drilling. Its 14 mm chain thickness and 39.37" length make it suitable for securing bicycles, motorcycles, scooters, gates, fences, and other valuables. A soft black fabric sleeve helps protect surfaces from scratches during use. The lock includes 4 keys for added convenience and backup access. Designed for both security and portability, it can be wrapped around the bike frame and seat post while riding.