Installation: Step 1: Make sure the installation position of the mailbox, make a mark. Step 2: Attach the bracket and pre-drill the hole to install the screw. Step 3: Place the mailbox in the holder. Step 4: Using the screws, attach the mailbox to the bracket. High Quality The mailbox mounting bracket is made of premium aluminum, rust-proof, durable, which can hold up to 300 lbs. Function: Mounting bracket design for mailboxes with an 8 inch floor. Easy to install. Note: Use the drill to install this bracket, Manufacturer: Bumdenuu