The Oetiker style 1-ear hose clamp is designed for 1/2" hoses with a closed size of .453 inches and an open size of .524 inches. Constructed from durable materials, this clamp provides a strong and lasting hold, making it ideal for automotive and industrial applications where secure hose connections are critical. Its one-ear design allows for easy installation and removal, ensuring efficient maintenance. Perfect for a variety of fluid transfer tasks, this clamp enhances performance and reliability in your systems.