Standard quick-connect fitting assembly provides a quick connection for flexible hoses, pumps, ball valves, telescopic wands, surface cleaners, and spray guns. 3/8" male thread quick-connect plug + 3/8"; 3/8" female quick-connect fitting + 3/8" male thread. Working pressure is 5000 PSI. Material: Brass. The ball locking design creates a secure connection. Features 1. 3/8" quick-connect plug + 3/8" male thread; 3/8" quick-connect plug + 3/8" male thread. 2. Material: Brass. 3. Chemical resistant for long service life. 4. The working pressure is up to 5000 PSI. High Pressure Washer Accessories Application 1. The coupler will be useful when you frequently connect and disconnect pressure washer accessories. 2. Quick disconnection of the hose, pump, ball valve, telescopic wand, surface cleaner, and spray gun. Package List 1 piece 3/8 Pipe Brass quick-connect fitting. 1 piece 3/8 Pipe Brass quick-connect fitting.