Oxford OF9 12mm/2m/6' 6" Boss Alarm Disc Super Strong Chain and Padlock

Oxford Boss Alarm Disc + 12mm Chain, Super Strong Chain and Padlock - New high security triple heat-hardened 12mm square link chain - Pick-resistant, hardened steel double locking mechanism - Independent Thatcham Security Approved - Ultra lightweight for ease of transport - Revolutionary Boss Alarm Padlock: 5 Minute attack tested - Oxfords strongest ever lock and is easy to use - Independent Thatcham Security Approved - Removable, sealed unit alarm module - Water, vibration, frost and heat proof.