Guitar, Round Post Cap (4x4 Round Post Size) Color:White while the top and bottom

while the top and bottom remain hole-free

Materials: USA-sourced 12-gauge or 1/4" thick steel | Baked-on UV resistant powder coat | 11 color options | Hardware sold separately

11" x 11" overall dimensions window cutout should be approximately 8" x 8"

Or if they have magnets they can stick that to the metal sign

Guitar, Round Post Cap (4x4 Round Post Size) Color:White while the top and bottomGuitar, Round Post Cap (4x4 Round Post Size) Size Height 3. 5" x Width 4" Please measure your posts before ordering. These post caps are considered custom because of the randomness of sized in round posts. For that reason, these post caps are non refundable and non exchangeable. Made of heavy duty steel and wrought iron hand welded construction. Finished in a variety of colors in a high quality powder coat paint with UV inhibitors to prevent fading.