Notice: The thread size in the title is not the fitting's outer diameter; please verify the required size before ordering. Made of brass material with a brass tone finish for rust resistance. Embedded gasket ensures a strong, secure seal without slipping. Features threaded connection for secure installation and enhanced leak protection with two rubber rings for double-sided sealing. Male thread brass quick connector with female thread inside. Outer diameter of thread is approximately 1-21/32" (41.4mm). Note: TPI is 11. Suitable for use with plastic water towers, water inlet and outlet systems, and custom water storage barrels. Compatible with various pipes, faucets, hoses, and fittings. Specifications: Easy to install. Durable construction. Solid brass construction for long-lasting performance. Threaded connection ensures firm coupling and reliable leak prevention with dual rubber rings. Embedded gasket provides a tight, non-slip seal. Ideal for water towers, water inlets and outlets, and homemade water storage containers. Compatible with a wide range of pipes, faucets, hoses, and plumbing fittings.