Function: Mailbox Mounting Bracket design for mailboxes with an 8inch wide floor. Easy to install. High Quality: The Mailbox Mounting Bracket made of premium aluminum, rust proof, , which can support up to 300lbs. Installation: Step 1: Make sure the Mailbox instllational position, make a mark. : Place the bracket, pre drill hole to install the screw. Step 3: Put the mail box on the bracket. Step 4: Using the screws, fasten the mailbox to the bracket. Note: Please use the drill to install this bracket, Manufacturer: PokFhgur