A black weather resistant thermoplastic shell is designed to add protection against moisture, dirt and grime.

Combining with our 7-pin interchangeable core prevents picking and provides resistance against prying and hammering. The limited lifetime warranty provides peace of mind from a brand you can trust. The perfect product to have suited to your existing system!

6421 – External Use
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6427 – External Use
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6521 – External Use
(Click for Details)

6527 – External Use
(Click for Details)

• 6421 Version
• 6427 Version