Oxford Disc Lock Monster - BlackThe disc locks was designed with widened access to the disc which enables a much easier fitment. It can also be used with a chain as a padlock. The lock has a key replacement service so that if you are unfortunate enough to lose all your keys a new one can be made up. Just remember to take note of your key number and keep this in a safe place. Features: Can be used as a padlock or disc lock 11mm hardened Ni Cr Mo shackle Double locking mechanism with