Magnetic Locks

A range of high security locks which utilise magnetic keys, making them impossible to sight read:

3G222 Mk2 - HEAVY DUTY MAGNETIC MORTICED D/LOCK, DBLE ACTION

3G222 Mk3 - HEAVY DUTY MAGNETIC MORTICED D/LOCK, SGLE ACTION

3M222 - HEAVY DUTY MORTICED HOOK BOLT LOCK, SINGLE ACTION