Designed to fit externally on a 2 1/2" (2 3/8" outer diameter) chain link fence posts Pack Size: 10 aluminum fence caps Made from high-quality rust-resistant die-cast aluminum, these caps are ideal for outdoor fence use Easy to install and no tool necessary Protect your fence from harmful damage from water and debris by having this pack of aluminum caps 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 2 1/2" (2 3/8" outer diameter) chain link fence posts.