Designed to fit externally on a 2" x 2" square post, have a inner diameter of 2 1/8" Made from high-quality and durable pressed steel that has been galvanized to prevent rusting Pack Size: 10 pressed steel post caps Simply slide the caps on to your desired posts and tap securely into place with a rubber mallet These caps not only give your fence a finished look, but also protect it from harmful damage that can be caused by water and debris build up within posts This pack of 10 steel post caps is the perfect way to add a stylish and finished look to your metal fence or posts. Designed to fit externally on a 2" x 2" square fence post. Fashioned from durable and reliable pressed steel that has been galvanized to prevent rusting and be long-lasting. These caps are a great way to protect your fence posts from harmful damage that can be caused by water or debris buildup.