Convenient to connect: these pressure washers and quick connector plug nipples are easy to be assembled manually, these adapter sets and nipples make a quick connection for hose, water pump, ball valve, telescoping wand, cleaner and so on NPT-compliant: these adapter sets and quick connector plug nipples are all NPT-compliant, please check the specifications before connect them, you can connect to most NPT-compliant connectors Quantity and size: there are 8 pcs of quick connector pressure washer adapters, sufficient for your replacement use, the stainless quick connector kit and pressure washers coupler nipples are 3/8 inch, pay attention to connect to the 3/8 inch size connector before connecting and reliable: our quick pressure washers and pressure washers nipples are made with accurate process, and don't leak and fade easily, sturdy and for long time use Resistant to high pressure: these quick connector kit and stainless steel connect nipples withstands pressure is up to 5000-6000