The Brass Union 3/16" (3/8-24 SAE) is the ideal product for connecting two brake lines together. Made from rust-resistant brass, this union has 3/16" inverted to male 3/8-24 SAE thread connections. This ensures increased safety and prevents leakages, ensuring that the connection between your lines is held together securely and permanently. Features: - Rust-resistant brass material - 3/16" inverted to male 3/8"-24 threads - Meets SAE standards Benefits: - Increases safety in connecting two brake or fuel lines - Reliably tight connection prevents leaks giving you peace of mind knowing your lines are securely connected - Easy installation and replacement of parts without having to interrupt existing line