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Add security to your incoming mail slot for either the Bloomsbury or Kingsbury mailboxes with an anti-theft high security plate. Made of cast aluminum, this high security plate is attached to the inside of your mailbox to reduce the incoming mail slot opening to W 9" x H 1" which adds extra security to keep mail out of reach from unwanted hands.

QualArc High Security Plate HS-PLATE - 10-3/4"W x 1/2"D x 2"H Black

Qualarc High Security Plate HS-PLATE - 10-3/4"W x 1/2"D x 2"H Black

high-security-plate-hs-plate-10-3-4-w-x-1-2-d-x-2-h-black

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