Fangrui Product Details 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:2pcs Colour:silver Material:aluminum Package Contents: 2 * 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.