Product details:

It is designed to fit over an existing or new wood 4 in. x 4 in. (actual 3.5 in. x3.5 in. ) post, or can fit over many no-dig supports of similar dimensions. If your mailboxes are secured to any type of wood 4 in. x 4 in. Configuration, you can modify it by cutting it to a straight up 42 in. H or less to accept The Handy Post 2. The Handy Post 2 is designed to accommodate 2 mailboxes of any size. The cross arm is 26 in. Across and 5 in. W and will accommodate up to 75 lbs. This aesthetically pleasing, economical product will enhance any home, business or neighborhood property. The Handy Post 2 will add character to any setting. Conveniently packaged with stainless steel hardware and installation instructions included. Color: White.