The ball mechanism ensuring a firm connection and stops water from leaking Ideal for high-pressure connection that are often put together or taken apart, enabling quick changes of high pressure sprayers and nozzles Our pressure washer fittings allow for quickly connection of hoses, water pumps, ball valves, telescoping wand, surfaces cleaners, and more Suitable for most pressure washer equipment.​ Advanced technology ensures the threads are highly precise with none leakage Make from Stainless Steel, Hard texture, not easy to break and rust resistant, Manufacturer: Oxxggkao