The Oetiker style 1-ear hose clamp, size 7/16", features a closed diameter of .381 inches and an open diameter of .444 inches, making it ideal for various hose applications. Constructed for durability, this clamp provides a reliable hold on hoses, preventing leaks and ensuring optimal performance in demanding environments. Its design allows for easy installation and adjustments, making it suitable for automotive, industrial, and plumbing uses. Trust this hose clamp to maintain secure fittings under pressure.