Oxford - Boss Alarm 16mm Black Padlock Key Features

• The removable sealed unit alarm module is vibration-resistant and weather- proof against water, frost and heat.
• Very loud 100db alarm.
• Can be used as a disc lock or a padlock.
• Anti-jack design can withstand 4.5 tonnes of tensile load.
• Three keys and replacement key service provided.
• Batteries included (6 x LR44).
• Combine with 12mm hardened steel chain to give additional security.