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 Please note:There is a slight color difference or difference in kind, it does not affect the use, please do not mind, thank you! Quantity:4Pcs Colour:Silver Material:aluminum Package Contents: 4 * mounting bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.