This is a replacement Imperial cast aluminum mailbox post support bracket made to attach to their round poles.  It could probably be used with almost any 2 3/8″ or 3″ round pole.  No specific mailbox mounting hardware is included, but a wood mounting board can be attached and used to secure a standard type post mount mailbox. No post or mailbox included.  Just the bracket as shown with the appropriate bolts. Bracket Dimensions:  Approx 12″ wide x 8″ tall (See photos for other dimensions) Imperial Colors: Available almond, black, bronze, brown, grey, dark green, antique verde and powder-coated glossy white.