Steel lock cylinder with antirust, corrosion resistant, wear resistant, and cutresistant properties to support safe antitheft protection for your belongings. External coating materials prevent corrosion. It is not easy to cut. Even in low temperature or cold conditions, it will not crack and it is waterproof and snowproof. Simple locking mechanism designed to be locked by inserting the locking bolt, providing fast and convenient operation. Can securely lock a wide range of items, including bicycles, motorcycles, skateboards, scooters, carts, doors and fences, grills and lawn mowers, and sports equipment. Use scenarios: Park or campus: secure your bicycle, motorcycle, or scooter to a rack or fixed object to deter theft while you are away. Home or facility security: lock doors, gates, grills, or lawn equipment when you leave the property or during storage. Outdoor or storage situations: protect sports gear, carts, and other equipment in sheds, garages, or outdoor storage areas, even in cold or wet conditions.