Bring a clean, modern look to your home"s exterior with this five-inch floating house number from Architectural Mailboxes. Designed to be used with other floating house numbers, this number 3 is made from solid cast brass and features a satin nickel finish. You can either mount it flush with the wall or leave the mounting screws partially out of the holes for a floating number effect. Due to the clever design, no holes or unsightly screw heads can be seen after mounting.