Convenient to connect: these s 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, surface 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 adapters, sufficient for your replacement use, the stainless quick connector kit and s coupler nipples are 3/8 inch, pay attention to connect to the 3/8 inch size connector before connecting Durable and reliable: our quick s and s nipples are made with accurate process, and don't leak and fade easily, sturdy and durable for long time use Resistant to high pressure: these quick connector kit and stainless steel connect nipples withstands pressure is up to 5000-6000 PSI Color: Silver Material: Stainless steel Package Contents: 8X 3/8 Inch Stainless Steel Male Female Quick Connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.