The Imperial Box #4 is a cast-aluminum mailbox with a bell design on the door, and an eagle design on both sides of the box. It includes one large brass knob, a large hinge, a flag assembly and any necessary hardware. This is one of Imperialās estate-sized box and the dimension are as follows: BOX 4L Height: 10.75ā³ x 15ā³ x 23.75ā³ BOX 4L Weight: 24.20 lbs. NOTE: This is a Estateāsized box, and it uses a hinge with four holes. If your current box has three holes in the hinge, you have an Standard-sized box. Shop for Standard Boxes here: Imperial Standard Sized Boxes