Strong pressure resistance: withstands maximum pressure up to 5000-6000 PSI Quick connect plugs: 3/8 inch male pipe thread x 3/8 inch quick connect plug Quick connect pressure washer adapter set: 3/8 inch female pipe thread x 3/8 inch quick connect plug; 3/8 inch female pipe thread x 3/8 inch quick connect socket Fine workmanship: these quick pressure washers and pressure washers nipples are made with accurate process, chemical for Application: these adapter sets and nipples make a quick connection for hose reels, water pump, ball valve, telescoping wand and so on, Manufacturer: Akfldms