A Bolster Cap provides a layer of protection for the bolster, helping to prevent it from being scratched or dented. The steel bolster cap helps to keep the bolster in place by providing a threaded connection. This makes it more difficult for the bolster to come loose, even under heavy loads.Attributes:• Manufactured with steel which gives excellent strength• Manufactured to precise specifications and is durable and reliableApplications:A Bolster Cap prevents the fluids from escaping.