Designed to fit externally on a 1 3/8" chain link fence posts Made from high-quality rust resistant die cast aluminum, these caps are ideal for outdoor fence use Pack Size: 10 aluminum fence caps Protect your fence from harmful damage from water and debris by having this pack of aluminum caps Easy to install and no tool necessary Add a finished look to your chain link fence while helping to prevent harmful damage caused by water and debris build-up in posts. Made from high-quality and durable die-cast aluminum, this pack of 10 fence caps is built to last and is excellent for outdoor fences. They are designed to easily fit externally on 1 3/8" chain link fence posts.