Estes Designs’ rust-free aluminum mailbox brackets are durable and pre-bent for easy installation. The brackets attach directly to the mailbox post to securely hold the mailbox in place. Package includes wood screws to attach to wood post and zinc-coated, self-tapping screws to securely fasten the mailbox to the bracket (NO PRE-DRILLED HOLES). Mounts to any wood post cross-arm. PLEASE READ: Only fits mailboxes with an 8” wide floor Pre-drilled holes to attach bracket to wood post Self-Tapping screws are included to attach mailbox to bracket. NOTE: There are no pre-drilled holes where bracket attaches to mailbox. Customer does this. Look at images to see final installation. ASIN B01H5LGGUO Color Silver Brand Name Estes Designs Mailbox and Streetscapes Item Depth 7.88 inches Unit Count 1.0 Count Finish Types Powder Coated Manufacturer Estes Designs Mailbox and Streetscapes Material Type Aluminum Mounting Type Wall Mount Item Dimensions 7.88 x 0.81 x 2 inches Included Components mounting_hardware Manufacturer Part Number 2640813