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Overall door thickness of 5-1/4" with a 2-1/4" defense barrier of outer and inner steel plates housing a unique high density fire and burglary resistant composite material. |
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Spring loaded bolt detent system. Bolts stay retracted when door is opened and automatically engage when door is shut. |
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High Security U.L. listed Group II combination lock with spyproof dial, protected by a massive drill shattering hardplate and two additional relocking devices. |
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Random "cross-locking" relock bolt and thermal cords to protect against torch attacks. |
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3-way active boltwork mechanism engaging the bolts horizontally and vertically. |
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High Security U.L. listed auxiliary key lock equipped with 2 keys. |
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Adjustable ball bearing hinges. |
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Attractive velvet blue finish. |
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