The ATL4 and 5 padlocks are designed for situations where both high security and superior weather protection are required. They offer the user unrivalled security performance in all weather conditions. They also have solid brass lock bodies encased in a protective cover and hardened steel shackle. Features: Hardened steel shackle Double locking, ball locking, spring locking Solid brass lock body Weatherproof dust cover 5 pin tumbler mechanism Key fobs Benefits: Extra attack resistance Extra resistance against bolt cropping Provides high internal and external corrosion resistance 1000's of key differs Easy key identification Recommended for: Sheds, vans, boats, farms, gates.