Street Sign Mounting Bracket, Mounts To Sign Post, Wall, Compatible Sign Post 1 3/4 in x 1 3/4 in Square, 1 3/4 Round, 2 in Round, 2 in x 2 in Square, 3 3/16 in x 1 9/32 in Square, L-Shaped, Mounting Bracket, Mounting Bracket Attachment Method Bolt-On,...