The Keystone Mailbox Lockable Insert installs securely in just seconds.
Keystone Lockable Insert
Step 1:
Slide Lockbox into the Mailbox.		 Step 2:
Tighten screw.
Lockable Insert

Add a Lockbox to any New or Existing Gaines Keystone Series Mailbox

Simple Installation. Two Keys Included. Rust-proof powder-coated aluminum.

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NOTE: The Keystone Series Mailbox is approved by the U.S. Postmaster General. Check with your local postal carrier to determine if the lockable insert option is acceptable in your area.
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