Get your air tools connected quickly and securely with this 4-pack of industrial-grade couplings. These are 3/8\ NPT Male threads with a standard 2-lug Chicago style design, meaning they have a universal 42mm pitch and can connect with other Chicago series fittings without extra adapters. Made from galvanized carbon steel, they're tough, corrosion-resistant, and rated for up to 150 PSI. Each coupling comes with a safety lock (to prevent accidental disconnects under pressure) and a spare rubber gasket for a tight seal. The package even includes a roll of Teflon tape. Perfect for your home garage, auto shop, or workshop to connect air hoses, compressors, and tools. The threads are clean and easy to install. Upgrade your pneumatic setup with these reliable, professional fittings.
