The Alarm-D is a high security D-lock with integral alarm. The Alarm-D boasts a 16mm shackle and comes with a high tech pick-resistant locking system.
The Alarm-D has a key replacement service. When you buy your Alarm-D simply note down the number which comes attached to the keys on a metal tag. Keep this in a safe place then in the event that you are unfortunate enough to lose all your keys it will be possible to get a new key made up for you.
