| 777 DEADLOCK |
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| Heavy duty double cylinder tubular deadbolts. Key cannot be removed until the bolt is fully deadlocked or unlocked 360° key rotation drives the bolt to the deadlocked or unlocked positions Positive deadlocking Security fixing prevents unauthorised access to cylinder rose fixing screws Can be keyed alike, master keyed, grand master keyed, maison keyed or construction keyed in Lockwood Security keying systems |