It's easy to replace broken or missing fence topper finials! These high-impact polypropylene trident spear finials are simply tapped on. Make your fence look beautiful in a matter of minutes! To ensure the correct size, please measure one side of the square fence tube that you wish to install the finial on. Measurement should be either 1/2 inch, 5/8 inch, or 3/4 inch. Once you have your measurement, select the size finial you would like from the options above. Your satisfaction is always 100% guaranteed!